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Desempenho e parametros sanguíneos de vacas leiteiras alimentadas com gr?o de soja

Keywords: dm intake, milk.

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Abstract:

the aim of this study was to evaluate the effects of different levels of inclusion of crude whole soy bean in feeding of dairy cows in early lactation and its effects on dry matter intake, milk yield and composition and blood parameters. a total of 12 holstein cows, grouped in three latin square contemporary balanced 4 x 4, fed with the following diets: c (control without soybean; g8, g16 and g24 with 8, 16 and 24% of crude whole soybean in dry matter. the dry matter intake and milk yield were lower for animals fed diet g24; crude protein, fat and lactose contents were not influenced. there was no effect on of blood parameters concentrations except for total cholesterol and hdl-cholesterol.

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