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Performance of Calves Fed Fermented Mastitic Milk, Colostrum, and Fresh Whole Milk

US Department of Agriculture, Science and Education Administration, Agricultural Research, Beltsville, MD 20705

ABSTRACT

Weight gains, milk intake, and health of calves fed fermented mastitic milk from cows treated and not treated with antibiotics were compared with those of calves fed fermented colostrum or fresh normal milk at two intakes. Calves fed fermented mastitic milk from cows treated with antibiotics, not treated with antibiotics, fermented colostrum (diluted 1:1 with water), and fresh normal milk gained .13, .14, .13, and .10 kg/day in trial 1 fed at 8% of body weight daily, and .09, .11, .18, and .13 kg/day in trial 2 fed at 10% of body weight daily from birth through 30 days of age. All calves were housed in individual pens during milk feeding.

Feeding milk at 10% in trial 2 did not improve gains over those in trial 1. Incidence of health disorders and mastitis in first lactation of cows fed fermented mastitic milk as calves was not different from those of cows fed fresh normal milk or fermented colostrum. Fermented mastitic milk appears to be an economical and safe feed for rearing calves when calves are housed individually during milk feeding.

¹ Milk Secretion and Mastitis Laboratory, Animal Science Institute.

² Biometrical Services Staff.