Olson et al. (2009) reported that 100% HH calves were expected to weigh 14.3 ± 2.4 kg more than 100% JJ calves. The maternal genetic effects ...

The mean birth weights were (35.58 vs 31.98 kg) for A and B groups respectively. The study demonstrated that production system had no significant effect on ...

22 окт. 2012 г. · Year and dam were included as random effects in all models. Female calves (27.57±0.54 kg), twins (26.39±1.0 kg), and calves born to first-parity ...

Recent reports of mean birth weight in straightbred Angus cattle ranged from 30.7–36.3 kg for calves born to 2-year-old heifers (Hickson et al. 2008, 2009a, b; ...

Average birth weight rose from 21.7 kg, for calves born in April, to 24.3 kg, for those born in June. Table 6.4 Effect of date of calving on birth weight shown ...

Calving Difficulty Score. Description. Average Birth Weight ; 1. No assistance. 39.4 kg ; 2. Moderate assistance. 41.3 kg ; 3 - 4. Traction/Veterinary assistance.

A 2015 study [4] , reported mean birth weight of female calves to be 36.1 kg for Holstein Friesian calves, 31.7 kg for Holstein Friesian-cross-Jersey calves ...

Newborn calves of BB were BW 47.60-. 51.58 kg[3]. The birth weight of BB calf ranged between 35 and 65 kg, with average of 49.2 kg [6]. Birth weight was ...

Since calves are usually not weighed at birth and the average weight of a newborn Holstein calf is about 40 kg, this is generally further simplified into the ...