Search Results - "Kertz, A.F"

Influence of starter protein content on growth of dairy calves in an enhanced early nutrition program by Stamey, J A, Janovick, N A, Kertz, A F, Drackley, J K

“…Our objectives were to determine the effect of starter crude protein (CP) content on growth of Holstein calves from birth to 10 wk of age in an enhanced early…”
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Invited review: guidelines for measuring and reporting calf and heifer experimental data by Kertz, A F, Chester-Jones, H

“…Based on a 5-yr review of published reports, reporting of materials, methods, and data for calf and heifer studies is often not very complete. The number of…”
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Body weight, body condition score, and wither height of prepartum Holstein cows and birth weight and sex of calves by parity: a database and summary by Kertz, A F, Reutzel, L F, Barton, B A, Ely, R L

“…Measurements of body weight (BW), body condition score, wither height, calf birth weight, and calf sex were recorded by parity from 728 Holstein cows and…”
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Nutritional Programs for Commercial Replacement Dairy Heifer Operations by Kertz, A F

“…There are a variety of feeding programs that can meet the goal of doubling calf birth weight at the end of 2 months of life. Feeding programs need to take into…”
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A 100-Year Review: Calf nutrition and management by Kertz, A F, Hill, T M, Quigley, 3rd, J D, Heinrichs, A J, Linn, J G, Drackley, J K

“…The first calf paper, published in the May 1919 issue of the Journal of Dairy Science (JDS), described factors affecting birth body weight of different breeds…”
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Variability in delivery of nutrients to lactating dairy cows by Kertz, A F

“…Dairy cows consume feedstuffs from which they derive nutrients to meet their requirements. Water and dry matter intake limit overall nutrient intake. The…”
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Invited review: palmitic and stearic acid metabolism in lactating dairy cows by Loften, J R, Linn, J G, Drackley, J K, Jenkins, T C, Soderholm, C G, Kertz, A F

“…Energy is the most limiting nutritional component in diets for high-producing dairy cows. Palmitic (C16:0) and stearic (C18:0) acids have unique and specific…”
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Relative efficiencies of wither height and body weight increase from birth until first calving in Holstein cattle by Kertz, A F, Barton, B A, Reutzel, L F

“…Female Holstein calves from the Purina Research Center herd averaged 74 cm of height at withers and 40 kg of body weight (BW) at birth. At first calving (24 mo…”
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Effects of different physical forms of starter on digestibility, growth, health, selected rumen parameters and blood metabolites in Holstein calves by Du, C., Ma, L., Zhen, Y.G., Kertz, A.F., Zhang, W.J., Bu, D.P.

“…•Texturized starter digestibility was reduced due to its hard corn.•Soybean and distillers dried grain reduced pelleted starter intake and ADG of…”
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Raising Commercial Dairy Calves by Thornsberry, R M, Kertz, A F, Drackley, James K

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Dry matter intake from parturition to midlactation by Kertz, A F, Reutzel, L F, Thomson, G M

“…Six years of data from the Purina Research Center were summarized to quantitate relationships among DMI, DIM, BW, and 4% FCM. Cows were fed individually and…”
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Ad libitum water intake by neonatal calves and its relationship to calf starter intake, weight gain, feces score, and season by Kertz, A F, Reutzel, L F, Mahoney, J H

“…Water intakes and other experimental data over 3 yr encompassing 335 calves raised under an early weaning program at the Purina Research Farm were summarized…”
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Ruminal infusion of ammonium chloride in lactating cows to determine effect of pH on ammonia trapping by Kertz, A F, Davidson, L E, Cords, B R, Puch, H C

“…Milking rations containing 16 (control), 13.2, and 10.4% protein were fed to four midlactation, rumen-fistulated Holstein cows. Ammonium chloride was infused…”
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Factors influencing intake of high urea-containing rations by lactating dairy cows by Kertz, A F, Koepke, M K, Davidson, L E, Betz, N L, Norris, J R, Skoch, L V, Cords, B R, Hopkins, D T

“…In a series of experiments we investigated effects of several factors on intake of urea by lactating dairy cows. Cows given an unfamiliar ingredient or altered…”
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Animal care and use: an issue now and in the future by Kertz, A. F

“…Animal rights proponents equate human and animal rights or capacity to suffer pain. Animal welfare is a philosophy that centers on animal well-being, a…”
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Increased weight gain and effects on growth parameters of Holstein heifer calves from 3 to 12 months of age by Kertz, A F, Prewitt, L R, Ballam, J M

“…Two trials involving 280 Holstein heifer calves were to determine effects of increasing nutrient intake on growth (weight, height, and heart girth), dry matter…”
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Effect of level of energy intake and influence of breed and sex on the chemical composition of cattle by Fortin, A, Simpfendorfer, S, Reid, J. T, Ayala, H. J, Anrique, R, Kertz, A. F

“…Chemical composition of the empty body was determined in 159 animals slaughtered at weights ranging from 121 to 706 kilograms. Holstein and Angus bulls, steers…”
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Utilization of urea by lactating cows--an industry viewpoint by Kertz, A. F, Everett, J. P., Jr

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Chemical composition and carcass specific gravity in cattle: effect of level of energy intake and influence of breed and sex by Fortin, A, Reid, J.T, Simpfendorfer, S, Ayala, H.J, Anrique, R, Kertz, A.F, Maiga, A.M, Sim, D.W, Wellington, G.H

“…Regression equations to predict the chemical composition of the carcass and empty body from carcass specific gravity were computed for Holstein and Angus…”
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Effect of dietary protein intake on creatinine excretion and the creatinine-nitrogen ratio in bovine urine by Kertz, A.F, Prewitt, L.R, Lane, A.G, Campbell, J.R

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