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The Effect Of Feeding High-Protein Distillers Dried Grains On Milk Production Of Holstein Cows, K. J. Hubbard, Paul J. Kononoff, A. M. Gehman, J. M. Kelzer, K. Karges, M. L. Gibson
The Effect Of Feeding High-Protein Distillers Dried Grains On Milk Production Of Holstein Cows, K. J. Hubbard, Paul J. Kononoff, A. M. Gehman, J. M. Kelzer, K. Karges, M. L. Gibson
Department of Animal Science: Faculty Publications
The objectives of this study were to evaluate the effects of feeding high-protein distillers dried grains (HPDDG) on rumen degradability, dry matter intake, milk production, and milk composition. Sixteen lactating Holstein cows (12 multiparous and 4 primiparous) averaging 80 ± 14 d in milk were randomly assigned to 1 of 2 dietary treatments in a 2 × 2 crossover design. A portion of forage and all soy-based protein in the control diet were replaced by HPDDG (20% dry matter). Milk production and dry matter intake were recorded daily and averaged for d 19 to 21 of each 21-d period. Milk …
Effects Of Feeding Three Types Of Corn-Milling Coproducts On Milk Production And Ruminal Fermentation Of Lactating Holstein Cattle, J. M. Kelzer, Paul J. Kononoff, A. M. Gehman, L. O. Tedeschi, K. Karges, M. L. Gibson
Effects Of Feeding Three Types Of Corn-Milling Coproducts On Milk Production And Ruminal Fermentation Of Lactating Holstein Cattle, J. M. Kelzer, Paul J. Kononoff, A. M. Gehman, L. O. Tedeschi, K. Karges, M. L. Gibson
Department of Animal Science: Faculty Publications
Two experiments were conducted to determine the effects of feeding 3 corn-milling coproducts on intake, milk production, ruminal fermentation, and digestibility of lactating Holstein cows. In experiment 1, three corn-milling coproducts were fed at 15% of the diet dry matter (DM) to 28 Holstein cows averaging (±SD) 625 ± 81 kg of body weight and 116 ± 33 d in milk to determine effects on DM intake and milk production. In experiment 2, the same rations were fed to 4 ruminally fistulated, multiparous Holstein cows averaging 677 ± 41 kg of body weight and 144 ± 5 d in milk …