Ian Mcdonald
#159,918
Most Influential Person Now
Ian Mcdonald's AcademicInfluence.com Rankings
Ian Mcdonaldbiology Degrees
Biology
#12576
World Rank
#16061
Historical Rank
Botany
#425
World Rank
#1277
Historical Rank
Download Badge
Biology
Ian Mcdonald's Degrees
- PhD Animal Science University of California, Davis
- Masters Animal Science University of California, Davis
- Bachelors Animal Science University of California, Davis
Why Is Ian Mcdonald Influential?
(Suggest an Edit or Addition)Ian Mcdonald'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
- The estimation of protein degradability in the rumen from incubation measurements weighted according to rate of passage (1979) (4588)
- A revised model for the estimation of protein degradability in the rumen (1981) (877)
- Studies on reproduction in prolific ewes (1977) (186)
- Digestion of concentrates in sheep (1971) (122)
- The effect of plane of nutrition on the carcasses of pigs and lambs when variations in fat content are excluded (1964) (105)
- The effects of protein degradability and food intake on milk yield and composition in cows in early lactation (1981) (98)
- Effects of body fatness at lambing and diet in lactation on body tissue loss, feed intake and milk yield of ewes in early lactation (1980) (88)
- Excretion of chromium sesquioxide administered as a component of paper to sheep (1960) (80)
- Studies on reproduction in prolific ewes. 4. Sequential changes in the maternal body during pregnancy (1978) (67)
- The nutrition of the early weaned lamb:III. The effect of ad libitum intake of diets varying in protein concentration on performance and on body composition at different live weights (1971) (66)
- The response of lactating sows and their litters to different dietary energy allowances. 1. Milk yield and composition, reproductive performance of sows and growth rate of litters (1973) (65)
- 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)
- Studies on reproduction in prolific ewes (1980) (57)
- The nutrition of the early weaned lamb. IV. Effects on growth rate, food utilization and body composition of changing from a low to a high protein diet (1976) (57)
- Comparison by direct animal calorimetry of the net energy values of an early and a late season growth of herbage (1966) (56)
- Estimates of the energy required for maintenance by adult sheep 1. Housed sheep (1963) (53)
- Nutritional studies on East African herbivores (1975) (51)
- Digestion of concentrates in sheep (1971) (51)
- The response of lactating sows and their litters to different dietary energy allowances. 2. Weight changes and carcass composition of sows (1975) (50)
- A comparison of the live-weight changes, nitrogen retention and carcass composition of pregnant and non-pregnant gilts (1966) (49)
- Digestion of concentrates in sheep (1971) (47)
- Stomach function in relation to a scour syndrome in the piglet (1969) (44)
- Relationships among uterine and placental factors in prolific ewes and their relevance to variations in foetal weight. (1980) (44)
- The indirect estimation of the digestibility of pasture herbage II. Regressions of digestibility on faecal nitrogen concentration; their determination in continuous digestibility trials and the effect of various factors on their accuracy (1960) (40)
- Estimation of the faeces output of ǵrazinǵ animals from the concentration of chromium sesquioxide in a sample of faeces (1963) (37)
- 2 – DEGRADABILITY OF PROTEIN SUPPLEMENTS AND UTILIZATION OF UNDEGRADED PROTEIN BY HIGH-PRODUCING DAIRY COWS (1981) (37)
- The assessment of nutritive value in protein concentrates by the gross protein value method. (1961) (37)
- Digestion of concentrates in sheep (1971) (35)
- The influence of intake of dietary energy in pregnancy and lactation upon sow productivity (1968) (33)
- Ovine prenatal growth, its mathematical description and the effects of maternal nutrition (1979) (32)
- Estimates of the energy required for maintenance by adult sheep. 2. Grazing sheep. (1963) (32)
- The effects of pregnancy and lactation on copper and zinc retention in the rat (1977) (31)
- Protein quality of feeding-stuffs (1972) (31)
- Digestion of concentrates in sheep (1974) (30)
- Studies on reproduction in prolific ewes. 3. The development in size and shape of the foetal skeleton (1977) (30)
- Some further observations upon the effects of varying the plane of feeding for pigs between weaning and bacon weight (1960) (29)
- The accretion of copper and of zinc by the foetuses of prolific ewes (1978) (28)
- Studies on reproduction in prolific ewes:5. The accretion of nutrients in the foetuses and adnexa (1979) (28)
- The measurement of total body water in living pigs by deuterium oxide dilution and its relation to body composition (1973) (26)
- Weight changes in sows during pregnancy and lactation (1961) (24)
- Foetal development in red deer ( cervus elaphus ) 1. Growth of the foetus and associated tissues (1988) (24)
- Estimation of the faeces output of ǵrazing animals from the concentration of chromium sesquioxide in a sample of faeces (1963) (21)
- A note on the effects of body fatness and level of food intake on the rate of fat loss in lactating ewes (1982) (21)
- The relative influence of birth weight, milk consumption and supplementary food consumption upon the growth rates of suckling piglets (1959) (20)
- The indirect estimation of the digestibility of pasture herbage III. Regressions of digestibility on faecal nitrogen concentration: effects of species and individuality of animal and of the method of determining digestibility upon the relationships (1963) (19)
- The utilization of dietary energy by poultry. I.—A study of the algebraic method for determining the productive energy of poultry feeds (1957) (19)
- Intensive beef production 4. The effect on nitrogen retention of all-concentrate diets containing different levels of fish meal (1965) (19)
- The prediction of body composition in bacon pigs from measurements of feed intake and live-weight gain (1973) (18)
- A radiographic study of the development of the skeleton of the foetal pig (1969) (17)
- A radiographic study of skeletal growth and development in the pig. Temporal pattern of growth (1973) (17)
- Studies on reproduction in prolific ewes:7. Variability in the growth of individual foetuses in relation to intra-uterine factors (1981) (16)
- Copper sulphate as a growth stimulant for pigs : effect of level and purity. (1961) (15)
- Blood volume changes during pregnancy and lactation of sows. (1970) (15)
- Studies on reproduction in prolific ewes:8. The concentrations and rates of accretion of amino acids in the foetuses (1985) (13)
- Utilisation of dietary energy by poultry. II.—effects of indigestible organic matter and protein on the utilisation of metabolisable energy for growth (1961) (13)
- The Relation between the Composition of Parotid Saliva and. Mixed Saliva in Sheep during the Induction of Sodium Deficiency (1960) (12)
- A chick growth test for the evaluation of protein quality in cereal-based diets. 2. Comparison of the total protein efficiency method with the gross protein value method. (1968) (12)
- Intensive beef production 5. The effect of different sources of protein on nitrogen retention (1965) (10)
- Foetal development in red deer ( cervus elaphus ) 2. Chemical composition of the foetus and associated tissues (1988) (10)
- 5 – DEGRADABILITY OF PROTEIN SUPPLEMENTS AND UTILIZATION OF UNDEGRADED PROTEIN BY HIGH-PRODUCING DAIRY COWS (1981) (9)
- Some observations on an outbreak of staphylococcal mastitis in a dairy herd. (1961) (9)
- The estimation of plasma and red cell volumes in pigs (1969) (9)
- A study of the relationship between glucose tolerance of sows and the mean birth weight of their offspring (1971) (8)
- The indirect estimation of the digestibility of pasture herbage. IV. Regressions of digestibility on faecal nitrogen concentration: effects of different fractions of the herbage upon within- and between-period regressions (1966) (8)
- Changes in Composition of the Saliva of Sheep on Feeding Heavily Fertilized Grass (1963) (8)
- Further observations on the relative influence of birth weight and creep-feed consumption on the 3- and 8-week weights of sucking pigs. (1961) (8)
- Further observations on the effects of growth checks in pigs of 50 lb. live-weight and over (1962) (8)
- The early weaning of pigs. VIII. Copper sulphate as a growth stimulant (1962) (8)
- Vitamin D in the blood of sheep (1962) (7)
- Some Criteria for the Evaluation of Protein Supplements in Chick Growth Trials (1962) (6)
- The relation of weaning weight to birth weight of lambs (1955) (6)
- Rate of haemoglobin synthesis after blood loss in sheep and the influence of dietary protein. (1965) (5)
- Salivary composition and hypomagnesaemia in grazing sheep. (1966) (5)
- Observations on tocopherol absorption by pigs (1960) (4)
- The comparative precision of estimates of body composition in living pigs, obtained from numerous different predictors applied severally or jointly (1976) (4)
- The effect of variation in dietary protein concentration and energy intake on mineral accretion in early-weaned lambs (1981) (4)
- UTILIZATION OF VOLATILE FATTY ACIDS FOR MAINTENANCE AND FOR ENERGY RETENTION (1980) (3)
- Methane production from acids in piggery‐waste digesters (2007) (2)
- The performance of beef cattle given diets of barley supplemented with either vegetable protein or non-protein nitrogen (1968) (2)
- Linkages between Regulated and Unregulated Markets: the Case of Milk Supply in Kenya (1988) (1)
- Utilization of proteins from milk and raw or acid-treated Toprina yeast by newly born ruminant lambs and growing rats (1982) (1)
This paper list is powered by the following services:
