E. R. Ørskov

E. R. Ørskov's AcademicInfluence.com Rankings

E. R. Ørskov

Medical

#3533

World Rank

#4006

Historical Rank

Nutrition

#138

World Rank

#146

Historical Rank

medical Degrees

E. R. Ørskov

Biology

#13945

World Rank

#17565

Historical Rank

Botany

#492

World Rank

#1400

Historical Rank

biology Degrees

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Medical
Biology

E. R. Ørskov's Degrees

PhD Animal Nutrition University of Aberdeen
Masters Animal Science University of Copenhagen

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E. R. Ørskov's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Protein nutrition in ruminants (1982) (559)
Rates of rumen fermentation in relation to ammonia concentration (1977) (429)
Excretion of purine derivatives by ruminants: effect of exogenous nucleic acid supply on purine derivative excretion by sheep (1990) (277)
The effect of feed intake and body weight on purine derivative excretion and microbial protein supply in sheep. (1992) (242)
The nutritive value of rumen micro-organisms in ruminants (1983) (215)
The nutritive value of rumen micro-organisms in ruminants (1983) (186)
Influence of starch digestion in the large intestine of sheep on caecal fermentation, caecal microflora and faecal nitrogen excretion (1970) (163)
Effect of postruminal glucose or protein supplementation on milk yield and composition in Friesian cows in early lactation and negative energy balance (1977) (148)
Excretion of purine derivatives by ruminants: endogenous excretion, differences between cattle and sheep (1990) (148)
Dietary factors influencing the digestion of starch in the rumen and small and large intestine of early weaned lambs (1969) (146)
The nitrogen and energy metabolism of lactating cows given abomasal infusions of casein (1986) (129)
Digestion of concentrates in sheep (1971) (122)
Effect of fat supplementation on voluntary food intake and rumen metabolism in sheep (1977) (120)
The sustenance of growing and fattening ruminants by intragastric infusion of volatile fatty acid and protein (1979) (117)
The effects of processing of barley-based supplements on rumen pH, rate of digestion and voluntary intake of dried grass in sheep (1975) (116)
The nutritive value of rumen micro-organisms in ruminants (1983) (115)
Flow of nitrogen from the rumen and abomasum in cattle and sheep given protein-free nutrients by intragastric infusion (1986) (107)
Effect of processing of cereals on rumen fermentation, digestibility, rumination time, and firmness of subcutaneous fat in lambs (1974) (105)
Measurement of allantoin in urine and plasma by high-performance liquid chromatography with pre-column derivatization. (1993) (103)
The nutritive value of rumen micro-organisms in ruminants (1983) (101)
The effects of protein degradability and food intake on milk yield and composition in cows in early lactation (1981) (98)
Efficiency of utilization of volatile fatty acids for maintenance and energy retention by sheep (1979) (95)
Starch digestion and utilization in ruminants. (1986) (90)
The effects of feeding procedure on closure of the oesophageal groove in young sheep (1970) (85)
The determination of the minimal nitrogen excretion in steers and dairy cows and its physiological and practical implications (1982) (76)
Utilization of salts of volatile fatty acids by growing sheep (1966) (73)
The influence of ruminal infusion of volatile fatty acids on milk yield and composition and on energy utilization by lactating cows (1969) (69)
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 (1983) (64)
Undernutrition in sheep. The effect of supplementation with protein on protein accretion (1984) (64)
Excretion of purine derivatives by ruminants: recycling of allantoin into the rumen via saliva and its fate in the gut (1990) (63)
Urinary excretion of purine derivatives and tissue xanthine oxidase (EC 1.2.3.2) activity in buffaloes (Bubalis bubalis) with special reference to differences between buffaloes and Bos taurus cattle (1996) (62)
The utilization of gelled maize starch in the small intestine of sheep (1974) (55)
Digestion of concentrates in sheep (1971) (51)
Studies on the oesophageal groove reflex in sheep and on the potential use of the groove to prevent the fermentation of food in the rumen (1969) (51)
Protein degradation and optimum urea concentration in cereal-based diets for sheep (1978) (48)
Intragastric infusion of nutrients in cattle (1982) (46)
The effect on protein utilization of feeding different protein supplements via the rumen or via the abomasum in young growing sheep (1970) (46)
Basal urinary nitrogen excretion and growth response to supplemental protein by lambs close to energy equilibrium (1983) (44)
Effect of processing of dietary barley and of supplementary cobalt and cyanocobalamin on the fatty acid composition of lamb triglycerides, with special reference to branched -chain components (1974) (39)
Influence of carbohydrate and nitrogen sources on the rumen volatile fatty acids and ethanol of cattle fed purified diets. (1967) (39)
Undernutrition in sheep. Nitrogen repletion by N-depleted sheep (1987) (39)
Dietary-Induced Thermogenesis and feed Evaluation in Ruminants (1990) (35)
Effect of different volatile fatty acids mixtures on energy metabolism in cattle. (1991) (35)
Digestion of concentrates in sheep (1971) (35)
Utilization of salts of volatile fatty acids by growing sheep (1966) (34)
Effects of long-term protein excess or deficiency on whole-body protein turnover in sheep nourished by intragastric infusion of nutrients (1995) (34)
The effect of bypassing the rumen with supplements of protein and energy on intake of concentrates by sheep (1973) (33)
Effect of glucose supply on fasting nitrogen excretion and effect of level and type of volatile fatty acid infusion on response to protein infusion in cattle (1999) (33)
Investigation of nitrogen balance in dairy cows and steers nourished by intragastric infusion (1983) (32)
The effect of intragastric infusion of glucose, lipids or acetate on fasting nitrogen excretion and blood metabolites in sheep (1985) (31)
Digestion of concentrates in sheep (1974) (30)
Postruminal digestion of sucrose in sheep. (1972) (28)
The effect of rumen and post-rumen feeding of carbohydrates on the caecal microflora of sheep. (1973) (27)
Uilization of salts of volatile fatty acids by growing sheep. 3. Effect of frequency of feeding on the utilization of acetate and propionate by young growing lambs. (1966) (26)
Manipulation of rumen fermentation for maximum food utilization. (1975) (25)
Fatty acid composition of triglycerides of lambs fed on barley-based diets. (1972) (23)
Rates of rumen fermentation in relation to ammonia concentration. (1977) (23)
Supplement strategies for ruminants and management of feeding to maximize utilization of roughages. (1999) (23)
Effects on plasma insulin of intermittent infusions of propionic acid, glucose or casein into the alimentary tract of non-lactating cows maintained on a liquid diet (1987) (22)
The effect of processing on digestion and utilization of cereals by ruminants. (1976) (20)
Endogenous allantoin excretion in response to changes in protein supply in sheep. (1992) (19)
On milk yields and calf rearing. (1990) (19)
Effect of ethanol infusion on milk fat content and composition and on volatile fatty acids in the rumen liquor. (1967) (19)
Protein utilization during energy undernutrition in sheep sustained by intragastric infusion: effects of protein infusion level, with or without sub-maintenance amounts of energy from volatile fatty acids, on energy and protein metabolism (1997) (17)
Effect of level of input of different proportions of volatile fatty acids on energy utilization in growing ruminants (1993) (17)
Estimation of extent of protein degradation from basal feeds in the rumen of sheep. (1977) (16)
RUMEN DIGESTION OF HAY (MEASURED WITH DACRON BAGS) BY CATTLE GIVEN SUGAR CANE OR PANGOLA HAY (1977) (13)
Urea metabolism in sheep given conventional feeds or nourished by intragastric infusion (1990) (13)
Effect of dietary proportions of roughage and concentrate on rate of digestion of dried grass and cellulose in the rumen of sheep [proceedings]. (1976) (13)
Manipulation of fibre digestion in the rumen. (1991) (12)
The use of intragastric nutrition to study saliva secretion and the relationship between rumen osmotic pressure and water transport (1995) (12)
The effect of level of feeding and protein concentration on disappearance of protein in different segments of the gut in sheep. (1973) (12)
Urinary and plasma purine derivatives in fed and fasted llamas (Lama glama and L. guanacoe). (1996) (12)
Utilization of salts of volatile fatty acids by growing sheep (1966) (11)
Recent advances in evaluation of roughages as feeds for ruminants. (1989) (10)
Whole grain feeding for ruminants (1980) (9)
A note of ruminal in situ degradability and in vitro gas production of some West African grass species and multipurpose legume tree leaves (1999) (8)
Using the oesophageal groove reflex in ruminants as a means of bypassing rumen fermentation with high-quality protein and other nutrients. (1969) (8)
Nitrogen digestion and utilization by young and lactating ruminants. (1977) (7)
Excretion of benzoic acid derivatives in urine of sheep given intraruminal infusions of 3-phenylpropionic and cyclohexanecarboxylic acids (1997) (7)
Effect of different dietary cerals on the occurence of branched-chain fatty acids in lamb fats. (1974) (7)
The effect of feeding whole or pelleted barley to lambs on their rumen bacterial populations and pH. (1975) (7)
Grain for ruminants (1982) (7)
Digestion of partially hydrolysed starch in milk replacers by the young lamb. (1979) (6)
The effects of acute and chronic protein depletion and accretion on plasma concentrations of insulin-like growth factor-1, fibronectin and total protein for ruminants nourished by intragastric infusion of nutrients (1997) (6)
Utilization of fish-protein hydrolysate for artificial rearing of lambs [proceedings]. (1976) (6)
Protein utilization during energy undernutrition in sheep sustained by intragastric infusion (1997) (5)
The effect of not processing barley on rumentitis in sheep. (1973) (5)
The minimal nitrogen metabolism of lambs. (1979) (4)
Studies on host animal protein and energy nutrition using the technique of intragastric nutrition. (1989) (4)
Utilization of rumen bacteria by ruminants. (1979) (4)
Proceedings: The effect of ruminal or postruminal digestion of lactose or fat on the voluntary intake and digestibility of dried grass by lambs. (1974) (4)
The effect of proportion of concentrate and method of cereal processing on type of rumen fermentation and milk quality in Friesian cows. (1979) (3)
Radiographic studies of the oesophagus and stomach of the suckling lamb and kid. (1972) (3)
Milk replacers based on non-milk constituents for lambs. (1977) (2)
The effect of feeding with whole or pelleted barley on rate of digestion of dried grass in the rumen of sheep. (1975) (2)
The influence of protein concentration in concentrate feeds on the apparent disappearance of dry matter, protein, starch, ether extract and ash in various segments of the digestive tract in sheep. (1969) (2)
Effect of changes in the glucogenic energy on yeild of milk and milk fat in lactating goats. (1974) (2)
Fatty acid composition of triglycerides of goats fed on a barley-rich diet [proceedings]. (1976) (2)
Use of by-products and supplementary protein in dairy cow nutrition (1985) (2)
Utilization of volatile fatty acids by young sheep [proceedings]. (1978) (2)
Effect of urea on digestion of fish meal in the gut of sheep. (1972) (1)
Effect of type of carbohydrate on the production of microbial nitrogen in the rumen. (1979) (1)
Post-ruminal digestion of carbohydrates: extent and implications. (1969) (1)
Effect of different volatile fatty acid proportions on nitrogen balance in lambs fed entirely by ruminal and abomasal infusions. (1977) (1)
The effect of protein supplementation via the abomasum on the voluntary intake of concentrate by young growing sheep. (1971) (1)
[Relative importance of ruminal and post-ruminal digestion related to protein and energetic nutrition in ruminants]. [Spanish] (1978) (1)
The effect of supplementing ammonia-treated straw with sugar-beet pulp or barley on rumen kinetics and microbial protein production. 216 Rowett Research Institute, Aberdeen, UK. (2000) (1)
The effect of increasing the concentration of soyabean meal in a barley diet on apparent disappearance of feed constituents along the digestive tract (2005) (1)
The influence of caecal starch infusion in sheep on faecal output of nitrogen, starch and dry matter. (1969) (1)
The effect of abomasal glucose or casein infusion on milk yield and milk composition in cows in early lactation and negative energy. (1977) (1)
The Possible Procedure to Measure Epithelial Cell Outflow from the Rumen (1996) (1)
The utilization of starch in the small intestine of sheep and the possible long-term adaptation. (1972) (0)
Sheep. Information collected by the Sheep Working Party. (1968) (0)
Contribution of microbial and undegraded dietary protein to the petential protein utilization in young ruminants. (1973) (0)

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E. R. Ørskov's Published Works

Published Works

E. R. Ørskov's AcademicInfluence.com Rankings