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Comparison Of Conventional Linted Cottonseed And Mechanically Delinted Cottonseed In Diets For Dairy Cows, V. R. Moreira, L. D. Satter, B. Harding
Comparison Of Conventional Linted Cottonseed And Mechanically Delinted Cottonseed In Diets For Dairy Cows, V. R. Moreira, L. D. Satter, B. Harding
Faculty Publications
Performance of lactating dairy cows fed diets containing either mechanically delinted whole cottonseed (DWCS; 3.7% lint) or linted whole cottonseed (LWCS; 11.7% lint) was measured. Forty primiparous (86 ± 39 d in milk) and 40 multiparous (88 ± 30 d in milk) cows were fed a total mixed ration containing 13% (dry matter basis) DWCS or LWCS in two blocks of 112 d (n = 53 and 27, respectively). Other total mixed ration ingredients (dry matter basis) were corn silage (28.1%), alfalfa silage (23%), high moisture shelled corn (27.8%), soybean meal (1.8%), expeller soybean meal (1.8%), blood meal (2%), and …
Effect Of Dietary Phosphorus On Performance Of Lactating Dairy Cows: Milk Production And Cow Health, H. Lopez, F. D. Kanitz, V. R. Moreira, M. C. Wiltbank, L. D. Satter
Effect Of Dietary Phosphorus On Performance Of Lactating Dairy Cows: Milk Production And Cow Health, H. Lopez, F. D. Kanitz, V. R. Moreira, M. C. Wiltbank, L. D. Satter
Faculty Publications
The objective of this study was to measure cow response to feeding of two dietary concentrations of P, one of which was close to recent National Research Council requirements, and the other of which was well in excess of the requirement. Diets containing 0.37 or 0.57% P (dry basis) were fed to Holstein cows for the first 165 d of lactation, and occasionally longer until cows were confirmed pregnant approximately 60 d after insemination. At calving, cows were randomly assigned to experimental diets. The number of cows completing a minimum of 165 d of lactation was 123 for the 0.37 …
Reproductive Performance Of Dairy Cows Fed Two Concentrations Of Phosphorus, H. Lopez, F. D. Kanitz, V. R. Moreira, L. D. Satter, M. C. Wiltbank
Reproductive Performance Of Dairy Cows Fed Two Concentrations Of Phosphorus, H. Lopez, F. D. Kanitz, V. R. Moreira, L. D. Satter, M. C. Wiltbank
Faculty Publications
The objective of this study was to determine the effect of dietary P concentrations of 0.37 (recommended) or 0.57% (excess; dry matter basis) on reproductive performance. At calving, Holstein cows were randomly assigned to 1 of 2 dietary treatments (n = 134 for 0.37% P and n = 133 for 0.57% P). Cows were fitted with a radiotelemetric transmitter (50 d in milk [DIM]) to record mounting activity during estrus and bred to natural estrus from 50 to 100 DIM, then to synchronized estrus (Ovsynch protocol) after 100 DIM. Weekly ultrasonography was performed from 50 DIM until pregnancy was diagnosed …