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Use of dried brewers' grains instead of soybean meal to feed lactating cows R. Bras. Zootec.
Faccenda,Andressa; Zambom,Maximiliane Alavarse; Castagnara,Deise Dalazen; Avila,André Sanches de; Fernandes,Tatiane; Eckstein,Everline Inês; Anschau,Fernando Andre; Schneider,Cibele Regina.
ABSTRACT The objective of this study was to determine the optimal level of dried brewers' grains (DBG) to replace soybean meal in diets for lactating Holstein cows. Five cows, around 88±28 days in milk, were distributed in a 5 × 5 Latin square design and fed diets containing different levels of DBG (0, 25, 50, 75, and 100%). The forage:concentrate ratio of the diet was 50:50. Feed intake, dry matter, nutrient digestibility, microbial synthesis, milk production and composition, and the economic viability of the diets were evaluated. There was reduction in dry matter intake and, consequently, in crude protein and non-fiber carbohydrates with increased levels of DBG. This occurred due to physical limitation of rumen caused by increased neutral detergent fiber...
Tipo: Info:eu-repo/semantics/article Palavras-chave: By-product; Digestibility; Intake; Milk composition; Protein; Purine.
Ano: 2017 URL:
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