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- Title
The Effect of Different Levels of Tannic Acid on some Performance Traits in Holstein Dairy Calves.
- Authors
Soleiman, P.; Kheiri, F.
- Abstract
The aim of this study was to evaluate the effect of inclusion of tannic acid on some performance traits and nutrient digestibility in Holstein dairy calves. A total of 20 seven days old Holstein calves were randomly assigned to 4 experimental treatments with 5 calves each. The calves were feed by basal diet as control, 4, 6 and 12 milligrams tannic acid per liter of their milk consumption, respectively. The result showed that dietary inclusion of different levels of tannic acid improved feed intake, body weight gain and feed conversion ratio in treated calves. Dry and organic matter intake, and digestion of crude protein, natural detergent fiber and acid detergent fiber were improved in treated calves with tannic acid compared to the control group. The fecal consistency score showed that Inclusion of tannic acid resulted in improved fecal consistency from0 to 50 days of age (P≤0.05). In conclusion, tannic acid inclusion in milk could be beneficial for Holstein dairy calves with positive effects on their feed intake, body weight gain, feed conversion ratio and nutrient digestibility.
- Subjects
TANNINS; HOLSTEIN-Friesian cattle; DAIRY cattle feeding &; feeds; MILK consumption; BODY composition of cattle
- Publication
Iranian Journal of Applied Animal Science, 2018, Vol 8, Issue 1, p19
- ISSN
2251-628X
- Publication type
Article