Abstract
ABSTRACT The objective of this study was to evaluate the effect of adding ground soybeans and antioxidants to diet of buffaloes on intake, ruminal microbial production, total and ruminal digestibility of nutrients, and ruminal fermentation parameters. Four crossbred buffaloes with a mean weight of 506±29 kg were distributed in a 4×4 Latin square. Four diets were tested: control; diet with ground soybeans; diet with ground soybeans and supplementation with yerba mate; and diet with ground soybeans and supplementation with yerba [...]
Highlights
The objectives of supplying lipids in the diet of ruminants are to increase the energy density of diets, increase production, and improve lipid profile of milk, as well as to reduce incidence of ketosis, improve feed conversion, reduce caloric stress, and re-establish estrous cycle
A negative effect of soybeans was observed on ruminal digestibility of neutral detergent fiber (NDF) and total carbohydrates (TC)
Adding ground soybean grains to buffalo diets increased allantoin concentration in urine (P
Summary
The objectives of supplying lipids in the diet of ruminants are to increase the energy density of diets, increase production, and improve lipid profile of milk, as well as to reduce incidence of ketosis, improve feed conversion, reduce caloric stress, and re-establish estrous cycle. Lipid sources with high levels of unsaturated fatty acids are prone to oxidation (Liener, 1994). Antioxidants are important because they act to prevent oxidative reactions both in the feed and in animal as well in final products (Petit, 2015). Among antioxidants evaluated in ruminant nutrition, vitamin E is the most studied (Shakirullah et al, 2017), and results are positive. Vitamin E acts at the cell membrane level by inhibiting natural peroxidation of polyunsaturated fatty acids, while maintaining cell integrity
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