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- Title
The study on the colostrum Brix at different parities of Holstein cows and the weekly change of body weight of the calf.
- Authors
Wang, S. H.; Li, S. L.; Li, K. H.; Ye, Y. X.; Shiau, J. W.
- Abstract
The purpose of this study was to investigate the colostrum Brix at different parities of cow’s lactation and the calves’ birth weight. There was no difference on the colostrum Brix value between the first to third milking time and the number of cow's parity. The Brix value of colostrum from the first to fourth parities cows were 18, 17, 14 and 19% respectively. Regardless of number of lactation, colostrum quality at the first milking was he best, and significantly (P < 0.05) higher than the second and third milking. The average birth weight of claves of the first lactation cow have the lowest was 33.3, 33.7, 40.9 and 38.2 kg, respectively. The claves of the first lactation cow have the lowest birth weight. While the month of calving had no effect on the birth weight of the calves. In conclusion, the colostrum quality at the first milking at the dam is higher than other milking. The birth weight of claves from multiparous cows were heavier than these from primiparous cow.
- Subjects
COLOSTRUM; LACTATION in cattle; CATTLE weight; MILK quality; MILKING
- Publication
Journal of the Chinese Society of Animal Science, 2019, Vol 48, p272
- ISSN
0253-9187
- Publication type
Article