Effects of an enzyme feed additive on extent of digestion and milk production of lactating dairy cows.

@article{Yang1999EffectsOA,
  title={Effects of an enzyme feed additive on extent of digestion and milk production of lactating dairy cows.},
  author={W. Yang and K. Beauchemin and L. Rode},
  journal={Journal of dairy science},
  year={1999},
  volume={82 2},
  pages={
          391-403
        }
}
A study was conducted using lactating Holstein cows with ruminal and duodenal cannulas in a 4 x 4 Latin square design to investigate fibrolytic enzyme supplementation on site and extent of nutrient digestion. The four diets consisted of 45% concentrate, 10% barley silage, and 45% cubed alfalfa hay (dry matter basis) and differed in enzyme supplementation: 1) control cubes, 2) cubes treated with 1 g of enzyme mixture/kg of cubes, 3) cubes treated with 2 g of enzyme mixture/kg of cubes, and 4… Expand
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