Hoistein- Friesian calves were divided into two groups. After weaning, the calves in the first group were fed with 2 kg/day and the calves in the second group were fed with 3 kg/ day concentrate feed. The results showed that the effect of different various of concentrate feed application was insignificant on growth characteristics of calves. The average weight of six month-old calves, and mean daily weight gains at the period between the birth and six-months of age for the first group were 113.8 ± 4.72 and 0.42 ± 0.04 kg, and for the second group were 123.9 ± 4.72 and 0.48 ± 0.04 kg, respectively. Between birth and 6 months old ages, grains in body measurements, such as hear girth, body length, height at withers, chest depth and front shank circumference were not significantly influenced by groups of concentrate feed. Moreover, there were no problems associated with mortality in reared calves.
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