Made available in DSpace on 2022-04-28T21:02:08Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-01-01; The objective of this study was to evaluate two grazing intervals (IG) for elephant grass (Pennisetum purpureum Schum cv. Cameroon) pasture: one variable, determined by the entry of animals to the paddocks when 95% of active photosynthetic radiation was intercepted by the sward, and fixed 26-day grazing...
Made available in DSpace on 2013-08-12T19:12:06Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-01-01; Made available in DSpace on 2013-09-30T19:20:55Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-01-01; Submitted by Vitor Silverio Rodrigues (vitorsrodrigues@reitoria.unesp.br) on 2014-05-20T15:33:21Z No. of bitstreams: 0; Made available in DSpace on 2014-05-20T15:33:21Z (GMT). No. of bitstreams:...
Two trials were conducted to study the partial replacement of soybean meal (FS) by urea (U) in diets for late lactation cows. Conventional urea was compared to extruded urea (A150S). In trial 1, 38 late lactation cows were used. The partial replacement of soybean meal by urea sources or the urea processing did not affect milk and 3.5% FCM yields, protein content and yield, total solids yield, and plasma urea N ...
Four lactating Holstein cows were used in a 4x4 Latin Square design to evaluate the effects of levels (10.5% vs. 13.7%) and sources (soybean meal - SBM vs. urea - U) of protein on lactation performance, rumen fermentation and blood parameters. The treatments were: (A) 10.05% CP diet - SBM; (B) 10.05% CP diet - U; (C) 13.70% CP diet - SBM+U; (D) 13.70% CP diet - SBM. Dry matter intake, feed efficiency, milk prod...
The objective of this study was to determine the effect of synchronization of starch (finely ground or steam-flaked corn) and protein (soybean meal or urea) rumen degradation on dry matter intake, total tract digestibility and rumen parameters of finishing Nelore steers. Four Nelore steers (300 kg LW) were utilized in a 4 x 4 Latin Square design, 2 x 2 factorial arragment: two corn processing methods (fine grin...
The objective of this trial was the evaluation of ruminal degradation synchrony of protein and energy sources. Four Holstein cows (23 kg day-1) were used in a 4 x 4 Latin Square design and 2 x 2 factorial arrangement: two protein (raw vs. roasted soybeans) with two energy sources (coarsely ground vs. steam-flaked corn). Dry matter intake was higher for cows fed coarsely ground corn with roasted soybean (p < 0.1...
Five ruminally cannulated lactating dairy cows, producing 27 kg day-1 of milk, were used in a 5 x 5 Latin Square design. Diets contained different protein sources: control, urea, soybean meal, roasted soybeans and corn gluten meal. The control diet featured 13.4% crude protein, and the other diets 16.5%. Dry matter intake, milk production, milk fat content and yield, and feed efficiency were not affected by the...