Staff Publication: 1977-1987

Walli, T. K. , Ørskov, E. R. & Bhargava, P. K. (1988). Rumen degradability of straw. 3. Botanical fractions of two rice straw varieties and effects of ammonia treatment. Animal Production 46, 347-352.

Flachowsky, G. & Ørskov, E. R. (1987). Nylon-bag digestibility tests of dry-matter from feces of dairy cows fed untreated or NH3-treated winter-barley straw or summer-barley straw. Archives fur Terernahrung 37, 935

Flachowsky, G. & Ørskov, E. R. (1987). Rumen dry matter degradability of various pig faeces and chemically treated pig slurry solids. Archives of Animal Nutrition,Berlin 36, 905-913.

Fraser, D. , Ørskov, E. R. & Whitelaw, F. G. (1987). Efficiency of utilization of casein and amino acids in dairy cows sustained by intragastric infusion. Wissenschaftliche Zeitschrift der Wilhelm Pieck Universitat Rostock 36, 56-57.

Fujihara, T. , Ørskov, E. R. , Reeds, P. J. & Kyle, D. J. (1987). The effect of protein infusion on urinary excretion of purine derivatives in ruminants nourished by intragastric nutrition. Journal of Agricultural Science,Cambridge 109, 7-12.

Fujihara, T. , Chen, X. B. , Ørskov, E. R. & Hovell, F. D. D. (1987). The possible use of purine derivatives in the urine to estimate microbial protein production. Wissenschaftliche Zeitschrift der Wilhelm Pieck Universitat Rostock 37, 17-18.

Hovell, F. D. D. , Campos-Arceu, R. & Kyle, D. J. (1987). The effect of grinding and pelleting of roughages of known degradability on voluntary intake and digestibility by sheep. Animal Production 44, 496

Hovell, F. D. D. , Ørskov, E. R. , Kyle, D. J. & MacLeod, N. A. (1987). Undernutrition in sheep. Nitrogen repletion by N-depleted sheep. British Journal of Nutrition 57, 77-88.

Hovell, F. D. D. , Herbert, F. , Reeds, P. J. & Kyle, D. J. (1987). The effect of beta2-agonist clenbuterol on the N-retention of sheep. Wissenscha ftliche Zeitschrift der Wilhelm Pieck Universitat Rostock 36, 62

Istasse, L. , Hovell, F. D. D. , MacLeod, N. A. & Ørskov, E. R. (1987). The effects of continuous or intermittent infusion of propionic acid on plasma insulin and milk yield in dairy cows nourished by intragastric infusion of nutrients. Livestock Production Science 16, 201-214.

Istasse, L. , MacLeod, N. A. , Goodall, E. D. & Ørskov, E. R. (1987). Effects on plasma insulin of intermittent infusions of propionic acid, glucose of casein into the alimentary tract of non-lactating cows maintained on a liquid diet. British Journal of Nutrition 58, 139-148.

KuVera, J. C. , Ørskov, E. R. , Hovell, F. D. D. & MacLeod, N. A. (1987). Effect of glucose and different volatile fatty acid mixtures on fasting N excretion in lambs. Wissenschaftliche Zeitschrift der Wilhelm Pieck Universitat Rostock 37, 96-97.

Kyle, D. J. , Hovell, F. D. D. & Bajracharya, J. (1987). The effect of fineness of grinding of a sample on the loss of material from nylon bags incubated in sheep. Animal Production 44, 496

Ørskov ER. (1987). New knowledge of protein nutrition in ruminants, implications for growth and fluctuating nutrition supply. In: Dairy Science Handbook. pp. 106-112.

Ørskov ER. (1987). New systems on protein evaluation why are they necessary?. In: Dairy Science Handbook. pp. 238-244.

Ørskov ER. (1987). Feeding of Ruminant Livestock. Principle and Practice. In: Chalcombe Publications, Marlow, England.

Ørskov ER. (1987). Cattle production in the future - which products, which resources, what are the options?. In: Beef Cattle Science Handbook. pp. 155-159.

Ørskov, E. R. & Reid, G. W. (1987). Feeding of lactating ewes for winter milk productions. Journal of the Sheep Dairying Association 3, 2, 5-6.

Ørskov, E. R. & Ojwang, I. A. (1987). Effect on digestibility of selecting cows with high or low particle outflow rate. Animal Production 44, 480

Ørskov ER & Kay RNB. (1987). Non-microbial digestion of forages by herbivores. In: The Nutrition of Herbivores. pp. 267-280.

Ørskov, E. R. (1987). The role of livestock in Africa: are livestock occasionally contributing to famine. Proceedings of the Nutrition Society 46, 301-308.

Ørskov ER. (1987). Constraint identification in animal production systems. In: Symposium Professional Development Work.

Ørskov ER & Shand WJ. (1987). The effect of type and variety of cereals on nutritive value of straw. In: Pira Paper Board Division, Letherhead, Surrey.

Ørskov ER. (1987). Strategies for rural development with emphasis on livestock production, resource utilization and FAO assistance. In: Utilization of agricultural by-products as livestock feeds in Africa (African Research Network for Agricultural by-Products). pp. 159-164.

Ørskov ER. (1987). Evaluation of fibrous residues for animal feeding. In: Biological, Chemical and Physical Treatment of Fibrous Crop Residues and Animal Feed.

Ørskov, E. R. , Reid, G. W. & Tait, C. A. G. (1987). Effect of fishmeal on the mobilization of body energy in dairy cows. Animal Production 45, 345-348.

Ørskov ER. (1987). New knowledge on protein nutrition in ruminants, implications for milk production. In: Dairy Science Handbook (Pope, L. S. , ed. ), 17, 193-198, Spilman Press, California.

Ørskov ER. (1987). Protein evaluation in ruminants as seen by the Agricultural Research Council. In: Proceedings of Maryland Conference for Feed Manufacturers.

Ørskov ER, Reid GW, & Shand WJ. (1987). Straw: New approaches to the use of a wasted resource. In: Science, Agriculture and the Envoironment. pp. 12-13.

Ørskov, E. R. (1987). Treated straw for ruminants. Research and Development in Agriculture 4, 65-69.

Ørskov ER. (1987). Methods of estimating nutritive value of fibrous residues. In: Utilization of agricultural by-products as livestock feeds in Africa (Africa Research Network for Agricultural By-products). pp. 1-6.

Shand, W. J. , Shehata, O. & Ørskov, E. R. (1987). Studies on botanical proportions and nutritive value of varieties of cereal straws and the ability of sheep to select the botanical part with the greatest value. Animal Production 44, 480

Silva, A. T. , Wallace, R. J. & Ørskov, E. R. (1987). Use of particle-bound microbial enzyme activity to predict the rate and extent of fibre degradation in the rumen. British Journal of Nutrition 57, 407-415.

Whitelaw FG, Milne JS, Ørskov ER, & Smith JS. (1987). Protein-energy interactions in the response of lactating cows to abomasal infusions of casein. In: Energy Metabolism of Farm Animals (EAAP publication number 32). pp. 310-313.

Whitelaw, F. G. , Milne, J. S. & Ørskov, E. R. (1987). Urea metabolism in sheep nourished by intragastric infusion. Wissenschaftliche Zeitschrift der Wilhelm Pieck Universitat Rostock 37, 82

Beermann, D. H. , Reeds, P. J. , Hovell, F. D. D. & Kyle, D. J. (1986). Cimaterol elicits rapid physiological responses in growing lambs wholly nourished by intra-gastric infusion. Journal of Animal Science 63 (Supplement 1), Abstract 1

Hovell, F. D. D. , Ngambi, J. W. W. , Barber, W. P. & Kyle, D. J. (1986). The voluntary intake of hay by sheep in relation to its degradability in the rumen as measured in nylon bags. Animal Production 42, 111-118.

Istasse, L. , Brewer, A. C. & Ørskov, E. R. (1986). Effects of stage of lactation on the response of dairy cows to abomasal infusion of casein. Livestock Production Science 15, 97-102.

Istasse, L. , Smart, R. I. & Ørskov, E. R. (1986). Comparison between two methods of feeding concentrate to sheep given a diet high or low in concentrate with or without buffering substances. Animal Feed Science and Technology 16, 37-49.

Istasse, L. , Reid, G. W. , Tait, C. A. G. & Ørskov, E. R. (1986). Concentrates for dairy cows: effects of feeding method, proportion in diet and type. Animal Feed Science and Technology 15, 167-182.

Miller, E. L. & Ørskov, E. R. (1986). Degradability of protein and its prediction. Bulletin of the International Dairy Federation 196, 69-78.

Ørskov, E. R. , MacLeod, N. A. & Kyle, D. J. (1986). Flow of nitrogen from the rumen and abomasum in cattle and sheep given protein-free nutrients by intragastric infusion. British Journal of Nutrition 56, 241-248.

Ørskov ER. (1986). Evaluation of protein for ruminants. In: Feedingstuffs Evaluation: Modern Aspects, Problems, Future Trends (Feeds publication, number 1). pp. 59-60.

Ørskov ER. (1986). Future perspecives for the protection of nutrients from fermentation in the rumen. In: New Developments and Future Perspectives In Research on Rumen Function (EUR 10054 en). pp. 217-226.

Ørskov ER & Hovell FDD. (1986). Protein metabolism and utilisation during undernutrition in ruminants. In: Proceedings of an International Symposium on the use of nuclear and related techniques in animal production and health. .

Ørskov ER. (1986). Factors affecting utilization of poor quality roughages. In: Rice straw and related feeds in ruminant rations. Proceedings of International Workshop, Kandy, Sri Lanka. pp. 129-137.

Ørskov ER. (1986). Evaluation of fibrous diets for ruminants. In: Feedingstuffs Evaluation: Modern Aspects, Problems, Future Trends (Feeds publication, number 1). pp. 38-39.

Ramazin, M. , Ørskov, E. R. & Tuah, A. K. (1986). Rumen degradation of straw. 2. Botanical fractions of straw from two barley cultivars. Animal Production 43, 271-278.

Silva AT, Wallace RJ, & Ørskov ER. (1986). Use of particle-bound microbial enzymes to assess the rate and extent of fibre degradation in the rumen. In: Rice straw and related feeds in ruminant ration Proceedings of International Workshop, Kandy, Sri Lanka. pp. 356-365.

Tuah, A. K. , Lufadeju, E. A. , Ørskov, E. R. & Blackett, G. A. (1986). Rumen degradation of straw. 1. Untreated and ammonia-treated barley, oat and wheat straw varieties and triticale straw. Animal Production 43, 261-269.

Whitelaw, F. G. , Milne, J. S. , Ørskov, E. R. & Smith, J. S. (1986). The nitrogen and energy metabolism of lactating cows given abomasal infusion of casein. British Journal of Nutrition 55, 537-556.

Asplund, J. M. , Ørskov, E. R. , Hovell, F. D. D. & MacLeod, N. A. (1985). The effect of intragastric infusion of glucose, lipids, or acetate on fasting nitrogen excretion and blood metabolites in sheep. British Journal of Nutrition 54, 189-196.

Czerkawski JW, Beever D, Langman FW, Noble RC, Ørskov ER, Reeds PJ, Sansom BF, & Young BA. (1985). Laboratory training manual on the use of nuclear techniques in animal nutition. In: FAO/IAEA publications. Technical Bulletins, 248.

Elimam, M. E. & Ørskov, E. R. (1985). Factors affecting the fractional outflow of protein supplements from the rumen. 3. Effects of frequency of feeding, intake of water induced by the addition of sodium chloride, and the particle size of protein supplements. Animal Production 40, 309-313.

Fujihara, T. , Ørskov, E. R. & MacLeod, N. A. (1985). Effect of protein infusion on excretion of purine derivatives in steers nourished by intragastric nutrition. Proceedings of the Nutrition Society 44, 138A

Herbert, F. , Hovell, F. D. D. & Reeds, P. J. (1985). Some preliminary observations on the immediate effects of clenbuterol on heart rate, body temperature and nitrogen retention in lambs wholly nourished by intragastric infusion. Proceedings of the Nutrition Society 44, 150A

Istasse, L. , Goodall, E. D. & Ørskov, E. R. (1985). The effect of ruminal infusions and propionic acid or abomasal infusion of glucose on plasma insulin secretion in non-lactating cows. Proceedings of the Nutrition Society 44, 45A

Lufadeju, E. A. , Blackett, G. A. & Ørskov, E. R. (1985). The effect of variety of spring barley straw and of ammonia treatment on nutritive value. Proceedings of the Nutrition Society 44, 97A

Ørskov ER. (1985). Supplementation of low quality roughage diets for optimal microbial and host animal nutrition. In: Use of Agricultural By-products in Developing Countries. pp. 84-87.

Ørskov ER, Silva AT, & Lufadeju EA. (1985). Aspect of digestion and metabolism when ruminants are given diets based on poor quality crop residues. pp. 107-120.

Ørskov, E. R. & Reid, G. W. (1985). Use of by-products and supplementary protein in dairy cow nutrition. Veterinary Record 116, 607-610.

Ørskov, E. R. (1985). Bollerenden, Dens function, Kontrol og mulige ernaringsmaessige fordele. Ugeskr. Landm. 130, 432-437.

Ørskov ER. (1985). Straw, a feed for the future. pp. 1-8.

Ørskov ER & Hovell FDD. (1985). Evaluation of protein in the feeding of ruminant livestock. In: IAFMM 24th Annual Conference, Budapest. pp. 113-121.

Ørskov, E. R. (1985). Cereals and the road to a rational agriculture. New Scientist 107(1473), 35-37

Ørskov ER. (1985). The role of cereal grain and straw in ruminant feeding. In: New Approches to Research on Cereal Carbohydrates. pp. 383-394.

Ørskov ER, Kyle DJ, & Summers R. (1985). Possible use of biogas slurry as a protein supplement of young ruminants. CEC report on feeding value of by-products and their use by beef cattle. In: Feeding Value of By-Products and their Use by Beef Cattle (EUR 8918 en). pp. 261-364.

Reid, G. W. & Ørskov, E. R. (1985). The effect of urea and ammonia on preservation and utilization of hay by steers and cows. Animal Production 40, 561

Scott, D. , Whitelaw, F. G. , Buchan, W. & Bruce, L. A. (1985). The effect of variation in phosphorus intake on salivary phosphorus secretion, net intestinal phosphorus absorption and faecal endogenous phosphorus excretion in sheep. Journal of Agricultural Science,Cambridge 105, 271-277.

Silva, A. T. , Wallace, R. J. & Ørskov, E. R. (1985). The use of particle-bound microbial enzymes to predict the role of degradation of plant fibre in the rumen. Proceedings of the Nutrition Society 44, 98A

Silva, A. T. & Ørskov, E. R. (1985). Effect of unmolassed sugar beet pulp on the rate of straw degradation in the rumens of sheep given barley straw. Proceedings of the Nutrition Society 44, 50A

Whitelaw, F. G. , Milne, J. S. , Ørskov, E. R. & Smith, J. S. (1985). The effects of casein supplements given by abomasal infusion on the nitrogen and energy metabolism of lactating cows. Proceedings of the Nutrition Society 44, 44A

Balch CC, Armstrong DG, Greenhalgh JFD, Miller EL, Ørskov ER, Roy JHB, Smith RH, & Taylor JC. (1984). The Nutrient Requirement of Ruminant Livestock. Supplement 1. In: Commonwealth Agricultural Bureaux, Slough.

Chesson A & Ørskov ER. (1984). Microbial degradation in the digestive tract. In: Straw and Other Fibrous By-products as Feed. pp. 305-399.

Elimam, M. E. & Ørskov, E. R. (1984). Factors affecting the outflow of protein supplements from the rumen. 1. Feeding level. Animal Production 38, 45-51.

Elimam, M. E. & Ørskov, E. R. (1984). Factors affecting the outflow of protein supplements from the rumen. 2. The composition and particle size of the basal diet. Animal Production 39, 201-206.

Elimam, M. E. & Ørskov, E. R. (1984). Estimation of rates of outflow of protein supplement from the rumen by determining the rate of excretion of chromium-treated protein supplements in faeces. Animal Production 39, 77-80.

Fahmy, S. T. M. , Lee, N. H. & Ørskov, E. R. (1984). Digestion and utilization of straw. 2. Effect of different supplements on the digestion of ammonia-treated straw. Animal Production 38, 75-81.

Fahmy, S. T. M. & Ørskov, E. R. (1984). Digestion and utilization of straw. 1. Effect of different chemical treatments on degradability and digestibility of barley straw by sheep. Animal Production 38, 69-74.

Fattet, I. , Hovell, F. D. D. , Ørskov, E. R. , Kyle, D. J. , Pennie, K. & Smart, R. I. (1984). Undernutrition in sheep. The effect of supplementation with protein on protein accretion. British Journal of Nutrition 52, 561-574.

Hovell, F. D. D. , Asplund, J. M. , Ørskov, E. R. , KuVera, J. C. & MacLeod, N. A. (1984). Basal and fasting N losses, and endogenous flow of nitrogen of ruminants nourished by intragastric infusion. Canadian Journal of Animal Science 64 (Supplement), 142-143.

Istasse, L. & Ørskov, E. R. (1984). The effects of abomasal infusions of glucose or casein on milk yield and on some blood constituents of dairy cows in early and late lactation. Animal Production 38, 538

Istasse, L. & Ørskov, E. R. (1984). The effects of intermittent and continuous infusions of propionic acid on plasma insulin. Canadian Journal of Animal Science 64 (Supplement), 148-149.

MacLeod, N. A. & Ørskov, E. R. (1984). Absorption and utilization of volatile fatty acids in ruminants. Canadian Journal of Animal Science 64 (Supplement), 354-355.

MacLeod, N. A. , Ørskov, E. R. & Atkinson, T. (1984). The effect of pH on the relative proportions of ruminal volatile fatty acids in sheep sustained by intragastric infusions. Journal of Agricultural Science,Cambridge 103, 459-462.

Ørskov ER. (1984). Evaluation of crop residues and agroindustrial by-products using the nylon bag method. In: FAO/ILCA Guidelines for research on the better utilization of crop residues and agroindustrial by-products in animal feeding. pp. 126-133.

Ørskov ER. (1984). The oesophageal groove reflex and its practical implication in the nutrition of young ruminants. In: Maximum Livestock Production from Minimum Land Bangladesh Seminar. pp. 47-53.

Ørskov ER. (1984). The A. R. C. approach to nitrogen and energy requirements of ruminants. In: Proceedings Sixth International Symposium on Ruminant Physiology, Banff, Alberta. pp. 1-7.

Ørskov, E. R. , MacLeod, N. A. , Kay, R. N. B. & Gregory, P. C. (1984). Method and validation of intragastric nutrition. Canadian Journal of Animal Science 64 (Supplement), 138-139.

Silva, A. T. & Ørskov, E. R. (1984). Effect of three different rumen environments on the rate and extent of the rumen degradability of untreated straw, ammonia-treated straw and hay. Proceedings of the Nutrition Society 43, 11A

Storm, E. & Ørskov, E. R. (1984). The nutritive value of rumen micro-organisms in ruminants. 4. The limiting amino acids of microbial protein in growing sheep determined by a new approach. British Journal of Nutrition 52, 613-620.

Whitelaw, F. G. , Eadie, J. M. , Bruce, L. A. & Shand, W. J. (1984). Methane formation in faunated and ciliate-free cattle and its relationship with rumen volatile fatty acid proportions. British Journal of Nutrition 52, 261-275.

Whitelaw, F. G. , Eadie, J. M. , Bruce, L. A. & Shand, W. J. (1984). Microbial protein synthesis in cattle given roughage-concentrate and all-concentrate diets: the use of 2,6-diaminopimelic acid, 2-aminoethylphosph onic acid and sulphur-35 as markers. British Journal of Nutrition 52, 249-260.

Yang-Lian, F. & Ørskov, E. R. (1984). Studies on degradation of Chinese protein supplements in the rumen and on the stability of nylon bag method. Chinese Journal of Animal Science 5, 2-5.

Elimam, M. E. & Ørskov, E. R. (1983). The effect of diet composition and particle size on the outflow of chromium-mordanted protein supplements from the rumen of high yielding dairy cows. Proceedings of the Nutrition Society 42, 31A

Elimam, M. E. & Ørskov, E. R. (1983). The effect of frequency of feeding of a basal diet and the addition of sodium chloride on the outflow of chromium-treated protein supplements from the rumen of high yielding cows. Animal Production 36, 503

Hovell, F. D. D. , Ørskov, E. R. , Grubb, D. A. & MacLeod, N. A. (1983). Basal urinary nitrogen excretion and growth response to supplemental protein by lambs close to energy equilibrium. British Journal of Nutrition 50, 173-187.

Hovell, F. D. D. , Ørskov, E. R. , MacLeod, N. A. & McDonald, I. (1983). The effect of changes in the amount of energy infused as volatile fatty acids on the nitrogen retention and creatinine excretion of lambs wholly nourished by intragastric infusion. British Journal of Nutrition 50, 331-343.

Istasse, L. & Ørskov, E. R. (1983). The correlation between extent of pH depression and degradaibility of washed hay in sheep given hay and concentrate. Proceedings of the Nutrition Society 42, 32A

Lough, A. K. , Ørskov, E. R. , Calder, A. G. & Coutts, L. (1983). Fatty acid composition of milk lipids from lactating cows maintained by intragastric infusion. Proceedings of the Nutrition Society 42, 125A

Mehrez, A. Z. , Ørskov, E. R. & Obstvedt, J. (1983). Evaluation of condensed fish solubles as a nitrogen source for growing sheep. Animal Production 36, 543-544.

Mould, F. L. & Ørskov, E. R. (1983). Manipulation of rumen fluid pH and its influence on cellulolysis in sacco, dry matter degradation and the rumen microflora of sheep offered either hay or concentrate. Animal Feed Science and Technology 10, 1-14.

Mould, F. L. , Ørskov, E. R. & Gauld, S. A. (1983). Associative effects of mixed feeds. 2. The effect of dietary addition of bicarbonate salts on the voluntary intake and digestibility of diets containing various proportions of hay and barley. Animal Feed Science and Technology 10, 31-47.

Mould, F. L. , Ørskov, E. R. & Mann, S. O. (1983). Associative effects of mixed feeds. 1. Effects of type and level of supplementation and the influence of the rumen fluid pH on cellulolysis in vivo and dry matter digestion of various roughages. Animal Feed Science and Technology 10, 15-30.

Ørskov ER. (1983). Voluntary intake of poor quality roughages by ruminants. In: Maximum Livestock Production from Minimum Land Bangladesh Seminar. pp. 72-78.

Ørskov, E. R. & MacLeod, N. A. (1983). Flow of endogenous N from the rumen and abomasum of cattle given protein-free nutrients. Proceedings of the Nutrition Society 42, 61A

Ørskov, E. R. , Reid, G. W. , Holland, S. M. , Tait, C. A. G. & Lee, N. H. (1983). The feeding value for ruminants of straw and whole-crop barley and oats treated with anhydrous or aqueous ammonia or urea. Animal Feed Science and Technology 8, 247-257.

Ørskov, E. R. , MacLeod, N. A. , Fahmy, S. T. M. , Istasse, L. & Hovell, F. D. D. (1983). Investigation of nitrogen balance in dairy cows and steers nourished by intragastric infusion. Effects of submaintenance energy input with or without protein. British Journal of Nutrition 50 , 99-107.

Ørskov, E. R. , Reid, G. W. & Tait, C. A. G. (1983). Ammonia treated straw and sodium-hydroxide treated or rolled barley for dairy cows. Animal Production 36, 511

Ørskov, E. R. , Hughes-Jones, M. & Elimam, M. E. (1983). Studies on degradation and outflow rate of protein supplements in the rumen of sheep and cattle. Livestock Production Science 10, 17-24.

Ørskov ER. (1983). Nutrition of lambs from birth to slaughter. In: Sheep Production. pp. 155-165.

Reid, G. W. , Tait, C. A. G. & Ørskov, E. R. (1983). Effect of urea, ammonia and ammonium bis propionate on preservation and utilization of moist hay. Animal Production 36, 540

Storm, E. & Ørskov, E. R. (1983). The nutritive value of rumen micro-organisms in ruminants. 1. Large-scale isolation and chemical composition of rumen micro-organisms. British Journal of Nutrition 463-470.

Storm, E. , Brown, D. S. & Ørskov, E. R. (1983). The nutritive value of rumen micro-organisms in ruminants. 3. The digestion of microbial amino and nucleic acids in, and losses of endogenous nitrogen from, the small intestine of sheep. British Journal of Nutrition 50, 479-485.

Storm E & Ørskov ER. (1983). Isolation and utilization of protein from rumen micro-organisms in ruminants and their limiting amino acids. In: Protein Metabolism and Nutrition, v. 2. (European Association for Animal Production, Publication 31). pp. 267-269.

Storm, E. , Ørskov, E. R. & Smart, R. I. (1983). The nutritive value of rumen micro-organisms in ruminants. 2. The apparent digestibility and net utilization of microbial N for growing lambs. British Journal of Nutrition 50, 471-478.

Whitelaw, F. G. , Bruce, L. A. , Eadie, J. M. & Shand, W. J. (1983). 2-Aminoethylphosphonic acid concentrations in some rumen ciliate protozoa. Applied and Environmental Microbiology 46, 951-953.

Whitelaw, F. G. , Eadie, J. M. , Bruce, L. A. & Shand, W. J. (1983). Methane formation in faunated and ciliate-free cattle. Proceedings of the Nutrition Society 42, 158A

Barnes, B. J. & Ørskov, E. R. (1982). Grain for ruminants: simple processing and preserving techniques. World Animal Review 42, 38-44.

Eadie, J. M. & Shand, W. J. (1982). The effect of Synperonic NP9 upon ciliate-free and faunated sheep. Proceedings of the Nutrition Society 40, 113A

Elimam, M. E. & Ørskov, E. R. (1982). Effect of the feeding level of grass on the rate of outflow of protein supplements from the rumen of sheep. Proceedings of the Nutrition Society 41, 29A

Elimam, M. E. & Ørskov, E. R. (1982). Treated protein supplements from the rumen of dairy cows. Proceedings of the Nutrition Society 41, 87A

Holland, S. M. , Reid, G. W. , Lee, N. H. , Tait, C. A. G. & Ørskov, E. R. (1982). Comparisons of gaseous and aqueous ammonia and urea on digestion of straw and whole-crop cereals in large bales. Animal Production 34, 381-382.

Hovell, F. D. D. , MacLeod, N. A. , Stirton, R. A. & Ørskov, E. R. (1982). The effect of energy intake on nitrogen retention by lambs totally nourished by intragastric infusion. Proceedings of the Nutrition Society 41, 27A

MacLeod, N. A. , Corrigall, W. , Stirton, R. A. & Ørskov, E. R. (1982). Intragastric infusion of nutrients in cattle. British Journal of Nutrition 47, 547-552.

MacLeod, N. A. , Hovell, F. D. D. & Ørskov, E. R. (1982). Automatic monitoring of rumen pH in sheep wholly sustained by intragastric infusion on nutrients. Journal of Physiology,London 322, 4-5P.

MacLeod, N. A. (1982). Continuous automated recording of ruminal pH in sheep nurished entirely by intragastric infusions. Research in Veterinary Science 34, 122-124.

Mould, F. L. , Saadullah, M. , Haque, M. , Davis, D. , Dolberg, F. & Ørskov, E. R. (1982). Investigation of some of the physiological factors influencing intake and digestion of rice straw by native cattle in Bangladesh. Tropical Animal Production 7, 174-181.

Ørskov ER. (1982). Recent advances in knowledge of protein evaluation for ruminants. In: Protein Contribution of Feedstuffs for Ruminants. Application to Feed Formulation. pp. 1-3.

Ørskov, E. R. , Reid, G. W. & Tait, C. A. G. (1982). The effect of different levels of inclusion of fish meal in high-silage diets for cows in early lactation. Animal Production 34, 361

Ørskov ER & MacLeod NA. (1982). Effect of volatile fatty acid composition and protein on energy utilization and milk composition in cows sustained by intragastric nutrition. In: Energy Metabolism of Farm Animals (European Association for Animal Production Publication Number 29). pp. 22-25.

Ørskov, E. R. (1982). Save the straw and feed the national herd. Farmers' Weekly 97 (20), 81-83.

Ørskov, E. R. , Soliman, H. S. & Clark, C. F. S. (1982). Use of fish protein hydrolysate in milk replacers. Animal Feed Science and Technology 7, 135-140.

Ørskov ER & MacLeod NA. (1982). Validation and application of new principles of protein evaluation for ruminants. In: Protein Contribution of Feedstuffs for Ruminants. Application to Feed Formulation. pp. 76-85.

Ørskov, E. R. & MacLeod, N. A. (1982). The determination of the minimal nitrogen excretion in steers and dairy cows and its physiological and practical implications. British Journal of Nutrition 47, 625-636.

Ørskov, E. R. & MacLeod, N. A. (1982). The flow of N from the rumen of cows and steers maintained by intra-ruminal infusion of volatile fatty acids. Proceedings of the Nutrition Society 41, 76A

Ørskov ER. (1982). Very intensive systems. In: Sheep and Goat Production. pp. 401-416.

Ørskov ER. (1982). Protein Nutrition in Ruminants. In: Academic Press, London.

Ørskov ER. (1982). Discussion on maintenance and growth. In: Energy Metabolism of Farm Animals (European Association for Animal Production Publication Number 29). pp. 141-146.

Sibanda, A. , Topps, J. H. , Storm, E. & Ørskov, E. R. (1982). The excretion of allantoin by ruminants in relation to protein entering the abomasum. Proceedings of the Nutrition Society 41, 75A

Soliman, H. S. , Ørskov, E. R. , Davies, N. T. & McDonald, I. (1982). Utilization of proteins from milk and raw or acid treated Toprina yeast by newly born ruminant lambs and growing rats. Journal of Agricultural Science,Cambridge 98, 377-389.

Storm, E. & Ørskov, E. R. (1982). Biological value and digestibility of rumen microbial protein in lamb small intestine. Proceedings of the Nutrition Society 41, 78A

Elimam, M. E. & Ørskov, E. R. (1981). Determination of rate of outflow of protein supplements from the rumen by measuring the rate of excretion of Cr treated protein supplements and PEG in the faeces. Animal Production 32, 386

Hovell, F. D. D. & Ørskov, E. R. (1981). The response to protein of lambs on a low plane of nutrition. Animal Production 32, 374

Innes, G. M. , Williams, P. E. V. & Ørskov, E. R. (1981). Utilisation of NaOH treated or rolled barley mixed with silages by steers. Animal Production 32, 390

Ørskov ER. (1981). Recent overseas and British developments in straw processing. In: Upgrading of Crops and By-Products by Chemical or Biological Treatments. pp. 32-38.

Ørskov, E. R. , Tait, C. A. G. & Reid, G. W. (1981). Utilization of ammonia or urea treated barley straw as the only feed for dairy heifers. Animal Production 32, 388

Ørskov, E. R. & Robinson, J. J. (1981). The application of modern concepts of ruminant protein nutrition to sheep-production systems. Livestock Production Science 8, 339-350.

Ørskov, E. R. , Reid, G. W. & McDonald, I. (1981). The effects of protein degradability and food intake on milk yield and composition in cows in early lactation. British Journal of Nutrition 45, 547-555.

Reeds, P. J. , Ørskov, E. R. & MacLeod, N. A. (1981). Whole body protein synthesis in cattle sustained by infusion of volatile fatty acids and casein. Proceedings of the Nutrition Society 40, 50A

Hart, F. J. & Ørskov, E. R. (1980). Effect of type of carbohydrate on the production of microbial nitrogen in the rumen. Proceedings of the Nutrition Society 38, 130A

Mansbridge, R. J. & Ørskov, E. R. (1980). Measurements of, and factors affecting, outflow rates of protein in sheep and cattle. Animal Production 30, 486-487.

Mehrez, A. Z. , Ørskov, E. R. & Opstvedt, J. (1980). Processing factors affecting degradability of fish meal in the rumen. Journal of Animal Science 50, 737-744.

Ørskov ER & Robinson JJ. (1980). The application of modern concepts of ruminant protein nutrition to sheep production systems. In: European Association for Animal Production. Annual Meeting, 31st, Munich, 1980. pp. 1-9.

Ørskov ER, MacLeod NA, & Grubb DA. (1980). New concepts of basal N metabolism in ruminants. In: Proceedings of the 3rd EAAP Symposium on Protein Metabolism and Nutrition, Braunschweig, Germany, Volume 2. (European Association for Animal Production Publication Number 27). pp. 451-456.

Ørskov, E. R. (1980). Whole grain feeding for ruminants. Veterinary Record 106, 399-401.

Ørskov, E. R. , Mills, C. F. & Robinson, J. J. (1980). The use of whole blood for the protection of organic materials from degradation in the rumen. Proceedings of the Nutrition Society 39, 60A

Ørskov ER, Hughes-Jones M, & McDonald I. (1980). Degradability of protein supplements and utilization of undegraded protein by high-producing dairy cows. In: Recent Advances in Animal Nutrition (Nutrition Conference for Feed Manufacturers, 14th, 1980). pp. 85-98.

Ørskov ER. (1980). Possible nutritional constraints in meeting energy and amino acid requirements of the highly productive ruminant. In: Digestive Physiology and Metabolism in Ruminants. pp. 309-324.

Ørskov ER. (1980). Utilization of cereals for sheep and implications of processing. In: Management and Diseases of Sheep. pp. 213-220.

Ørskov ER. (1980). Recent advances in knowledge relating to the new concepts of protein evaluation for ruminants. In: Energy and Protein Requirements of Ruminants, Proc. 4th Study Conference of the Scottish Agricultural Colleges. pp. 45-55.

Ørskov, E. R. (1980). Whole grain for small ruminants. Goat Veterinary Society Journal 1, 6-8.

Ørskov, E. R. , Barnes, B. J. & Lukins, B. A. (1980). A note on the effect of different amounts of NaOH application on digestibility by cattle of barley, oats, wheat and maize. Journal of Agricultural Science,Cambridge 94, 271-273.

Ørskov ER. (1980). Nutritional principles in utilization of waste and by-products. In: By-Products and Wastes in Animal Feeding (Occasional Publication Number 3). pp. 13-18.

Ørskov, E. R. , Hovell, F. D. D. & Mould, F. L. (1980). The use of the nylon bag technique for the evaluation of feedstuffs. Tropical Animal Production 5, 195-213.

Ørskov ER, Soliman HS, & Clark CFS. (1980). Use of fish protein hydrolysate in milk replacers. In: Proceedings of a Symposium on Fish Protein Hydrolysates.

Ørskov ER & McDonald I. (1980). Utilization of volatile fatty acids for maintenance and for energy retention. In: Energy Metabolism (EAAP Publication Number 26). pp. 147-150.

Ørskov, E. R. (1980). Caustic soda treatment of grain for cattle. Scottish Farmer June 7, 7-8.

Storm, E. & Ørskov, E. R. (1980). Utilization of rumen bacteria by ruminants. Ann. Rech. Vet. 10, 294-296.

Ganev, G. , Ørskov, E. R. & Smart, R. I. (1979). The effect of roughage or concentrate feeding and rumen retention time on total degradation of protein in the rumen. Journal of Agricultural Science,Cambridge 93, 651-656.

Mehrez, A. Z. & Ørskov, E. R. (1979). Protein degradation and optimum urea concentration in cereal-based diets for sheep. British Journal of Nutrition 40, 337-345.

Ørskov, E. R. (1979). Relative importance of ruminal and postruminal digestion with respect to protein and energy nutrition of ruminants. Tropical Animal Production 3, 91-103.

Ørskov ER, Barnes BJ, & Greenhalgh JFD. (1979). Processing of cereal grains for ruminants. In: Home-Grown Cereals Authority Progress Report 1977/78. pp. 41-42.

Ørskov, E. R. & Grubb, D. A. (1979). The minimal N metabolism in lambs. Proceedings of the Nutrition Society 38, 24A

Ørskov, E. R. , Grubb, D. A. & Stirton, R. (1979). The effect of dry-matter concentration and preservation method of whole barley on feed utilization by early weaned lambs. Animal Production 28, 431-432.

Ørskov, E. R. , Hine, R. S. & Grubb, D. A. (1979). The effect of urea on digestion and voluntary intake by sheep of diets supplemented with fat. Animal Production 27, 241-245.

Ørskov, E. R. , MacDearmid, A. , Barnes, B. J. , Grubb, D. A. & Lukins, B. A. (1979). Effect of sodium hydroxide treatment on digestibility of oats, barley, wheat and maize and on utilization of sodium hydroxide oats and barley by lambs and steers. Animal Production 28, 432

Ørskov, E. R. , Stewart, C. S. & Greenhalgh, J. F. D. (1979). The effect of sodium hydroxide and urea on some storage properties of moist grain. Journal of Agricultural Science,Cambridge 92, 185-188.

Ørskov, E. R. & Grubb, D. A. (1979). Growth of store lambs on cereal-based diets with protein or urea. Animal Production 29, 371-377.

Ørskov, E. R. & Reid, G. W. (1979). The effect of proportion of concentrate and method of cereal processing on type of rumen fermentation and milk quality in Friesian cows. Proceedings of the Nutrition Society 38, 131A

Ørskov ER. (1979). Effect of composition of absorbed end-products of digestion on energy metabolism. In: Ruminant Digestion and Feed Evaluation. pp. 11. 1-11. 10.

Ørskov, E. R. (1979). Recent information on processing of grain for ruminants. Livestock Production Science 6, 335-347.

Ørskov, E. R. & Grubb, D. A. (1979). Validation of new systems for protein evaluation in ruminants by testing the effect of urea supplementation on intake and digestibility of straw with and without sodium hydroxide treatment. Journal of Agricultural Science,Cambridge 91, 483-486.

Ørskov, E. R. , Grubb, D. A. , Smith, J. S. , Webster, A. J. F. & Corrigall, W. (1979). Efficiency of utilization of volatile fatty acids for maintenance and energy retention by sheep. British Journal of Nutrition 41, 541-551.

Ørskov, E. R. , Grubb, D. A. , Wenham, G. & Corrigall, W. (1979). The sustenance of growing and fattening ruminants by intragastric infusion of volatile fatty acids and protein. British Journal of Nutrition 41, 553-558.

Ørskov, E. R. & Hovell, F. D. D. (1979). Rumen digestion of hay by cattle given sugar cane diets or Pangola hay. Tropical Animal Production 3, 9-11.

Ørskov, E. R. & McDonald, I. (1979). The estimation of protein degradability in the rumen from incubation measurements weighted according to rate of passage. Journal of Agricultural Science,Cambridge 92, 499-503.

Ørskov ER. (1979). Recent advances in the understanding of cereal processing for ruminants. In: Recent Advances in Animal Nutrition, 1979 (Nutrition Conference for Feed Manufacturers). pp. 123-132.

Petchey, A. M. , Owen, J. B. , Mackie, I. M. , Ritchie, A. H. & Ørskov, E. R. (1979). A comparison of undried and dried fish-protein hydrolysate as a protein source for calf milk replacers. Animal Production 28, 191-198.

Soliman, H. S. , Ørskov, E. R. , Atkinson, T. & Smart, R. I. (1979). Utilization of partially hydrolysed starch in milk replacers by newborn lambs. Journal of Agricultural Science,Cambridge 92, 343-349.

Soliman, H. S. , Ørskov, E. R. & Mackie, I. M. (1979). Utilization of fish protein hydrolysates in milk substitutes for lambs. Journal of Agricultural Science,Cambridge 93, 37-46.

Thivend, P. , Clark, C. F. S. , Ørskov, E. R. & Kay, R. N. B. (1979). Digestion of partially hydrolyzed starch in milk replacers by the young lamb. Ann. Rech. Vet. 10, 422-424.

Wallace, R. J. , Cheng, K. -J. , Dinsdale, D. & Ørskov, E. R. (1979). An independent microbial flora of the epithelium and its role in the ecomicrobiology of the rumen. Nature 279, 424-426.

Hovell, F. D. D. & Greenhalgh, J. F. D. (1978). The utilization of diets containing acetate, propionate or butyrate salts by growing lambs. British Journal of Nutrition 40, 171-183.

Miller EL, Balch CC, Ørskov ER, Roy JHB, & Smith RH. (1978). Comparisons of calculated N requirement for ruminants with the results from practical feeding trials. In: Protein Metabolism and Nutrition. Proceedings of the 2nd International Symposium On Protein Metabolism, Flevhof, Netherlands, Centre for Agricultural Publishing and Documentation (EAAP Publication Number 22). pp. 137-141.

Ørskov ER & Barnes BJ. (1978). Utilization of alkali treated grain by cattle. In: Proc. Guelph Nutr. Conf. Feed Manufacturers, University of Guelph, Canada. pp. 55-58.

Ørskov, E. R. & Grubb, D. A. (1978). Effect of different volatile fatty acid proportions on nitrogen balance in lambs fed entirely by ruminal and abomasal infusion. Proceedings of the Nutrition Society 36, 128A

Ørskov, E. R. , Soliman, H. S. & MacDearmid, A. (1978). Intake of hay by cattle given supplements of barley subjected to various forms of physical treatment or treatment with alkali. Journal of Agricultural Science,Cambridge 90, 611-616.

Ørskov ER. (1978). Recent advances in the protein nutrition of ruminants and practical implications. In: Proc. Guelph Nutr. Conf. Feed Manufacturers, University Of Guelph, Canada. pp. 35-47.

Ørskov, E. R. & MacDearmid, A. (1978). Utilization of alkali-treated grain by cattle. Animal Production 26, 401-402.

Ørskov, E. R. & Grubb, D. A. (1978). The use of whole barley diets fortified with solutions of urea, minerals and vitamins for lambs. Animal Feed Science and Technology 2, 307-314.

Ørskov, E. R. , Grubb, D. A. , Webster, A. J. F. & Smith, J. S. (1978). Utilization of volatile fatty acids by young sheep. Proceedings of the Nutrition Society 37, 67A

Roy JHB, Balch CC, Miller EL, Ørskov ER, & Smith RH. (1978). Calculation of the N requirement for ruminants from nitrogen metabolism studies. In: Protein Metabolism and Nutrition. Proceedings of the 2nd International Symposium on Protein Metabolism, Flevohof, Netherlands, Centre for Agricultural Publishing and Documentation (EAAP Publication Number 22). pp. 126-129.

Chimwano, A. M. , Ørskov, E. R. , Stewart, C. S. & Grant, C. (1977). Effect of varying proportions of roughage and concentrate on grass dry matter and cellulose digestion in the rumen of sheep. E. Afr. Agric. For. J. 42, 441-446.

Dodsworth, T. , Owen, J. B. , Mackie, I. M. , Ritchie, A. R. & Ørskov, E. R. (1977). Fish-protein hydrolysate as a substitute for milk protein in calf feeding. Animal Production 25, 19-26.

Hovell, F. D. D. & MacPherson, R. M. (1977). The thin sow. 1. Observations on the fecundity of sows when underfed for several parities. Journ al of Agricultural Science,Cambridge 89, 513-522.

Hovell, F. D. D. , MacPherson, R. M. , Crofts, R. M. J. & Pennie, K. (1977). The effect of energy intake and mating weight on growth, carcass yield and litter size of female pigs. Animal Production 25, 233-245.

Hovell, F. D. D. , Gordon, J. G. & MacPherson, R. M. (1977). The thin sow. 2. Observations on the energy and nitrogen exchanges of the thin and normal sows in environmental temperatures of 20 degrees and 5 degrees. Journal of Agricultural Science,Cambridge 89, 523-533.

Hovell, F. D. D. , MacPherson, R. M. , Crofts, R. M. J. & Smart, R. I. (1977). The effect of pregnancy, energy intake and mating weight on protein deposition and energy retention of female pigs. Animal Production 25, 281-290.

Jovanovic, R. , Kay, M. & MacLeod, N. A. (1977). The response of early weaned calves to different sources of supplementary nitrogen. Animal Production 24, 143

Kowalczyk, J. , Ørskov, E. R. , Robinson, J. J. & Stewart, C. S. (1977). Effect of fat supplementation on voluntary food intake and rumen metabolism in sheep. British Journal of Nutrition 37, 251-257.

MacPherson, R. M. , Hovell, F. D. D. & Jones, A. S. (1977). Performance of sows first mated at puberty or second or third oestrus, and carcass assessment of once-bred gilts. Animal Production 24, 333-342.

Mehrez, A. Z. , Ørskov, E. R. & McDonald, I. (1977). Rates of rumen fermentation in relation to ammonia concentration. British Journal of Nutrition 38, 437-443.

Mehrez, A. Z. & Ørskov, E. R. (1977). A study of the artificial fibre bag technique for determining the digestibility of feeds in the rumen. Journal of Agricultural Science,Cambridge 88, 645-650.

Ørskov, E. R. & Greenhalgh, J. F. D. (1977). Alkali treatment as a method of processing whole grains for cattle. Journal of Agricultural Science,Cambridge 89, 253-255.

Ørskov, E. R. , Grubb, D. A. & Kay, R. N. B. (1977). Effect of post-ruminal glucose or protein supplementation on milk yield and composition in Friesian cows in early lactation and negative energy balance. British Journal of Nutrition 38, 397-405.

Ørskov ER & McDonald I. (1977). The effects of changing from a low- to a high-protein diet on growth, body composition and energy utilization in lambs. In: Energy Metabolism of Farm Animals, 7th Symposium, Vichy (EAAP Publication Number 19). pp. 133-136.

Ørskov ER. (1977). Nutrition of lambs from birth to slaughter. In: Sheep Nutrition and Management. pp. 35-46.

Ørskov, E. R. (1977). Nutritional principles and evaluations of by-products, waste products and new feeds for ruminants. Livestock Production Science 4, 165-175.

Ørskov, E. R. & Grubb, D. A. (1977). The effect of abomasal glucose or casein infusion on milk yield and milk composition in cows in early lactation and negative energy balance. Proceedings of the Nutrition Society 36, 56A

Ørskov, E. R. & Grubb, D. A. (1977). Use of whole barley fortified with urea, minerals and vitamins for fattening lambs. Animal Production 24, 158

Ørskov, E. R. & Mehrez, A. Z. (1977). Estimation of extent of protein degradation from basal feeds in the rumen of sheep. Proceedings of the Nutrition Society 36, 78A

Ørskov, E. R. (1977). Nitrogen digestion and utilization by young and lactating ruminants. World Rev. Nutr. Diet. 26, 225-257.

Owen JB, Robinson JJ, Ørskov ER, Dickson IA, Speedy AW, Crabtree JR, Vipond JE, & Littlejohn LJS. (1977). A study of high lamb output production systems. In: Scottish Agricultural Colleges Tech. Notes Number 16.

Soliman, H. S. , Ørskov, E. R. & Smart, R. I. (1977). Milk replacers based on non-milk constituents for lambs. Proceedings of the Nutrition Society 36, 52A