WebThe observed mean birth weight in this experiment was lower than the 32.6, 35.5 and 30.7 kg average birth weight for Brahman cross calves reported by Dundon et al. (2012), Cunningham et al. (2005 ... WebSep 3, 2024 · It is the next best indicator trait for calving ease in bulls. A distant third would be birth weight ratio. Why birth weight ratio instead of actual birth weight? Because it …
Bulls for heifers – size and birth weight CattleToday.com - Cattle ...
WebAug 31, 2015 · Adjusted 205-day weaning weight is computed on the basis of average daily gain from birth to weaning, using the following formula: Adjusted 2015 day weaning weight = (. weaning weight - birth weight. x 205 ) = birth weight + age of dam adjusted. weaning age. If the actual birth weight is not available, the appropriate standard birth weight ... WebChoose wisely, friend. A great herd bull not only represents half the quality of your herd. He also represents half the problems you will face during calving season. Especially with heifers. As a review, a heifer is a female … nif vifor pharma
Monitoring dairy calf growth AHDB
WebA bull-to-cow ratio of 1:25 is often recommended, but several factors can affect this ratio. A good rule of thumb is that a bull can service one cow per his age in months (i.e., a 15 … WebMar 1, 1999 · Bull A has a birth weight EPD of !0.1 lbs. Bull B has a birth weight EPD of 6.1 lbs. The expected difference on average of progeny between these two bulls is 6.2 lbs. However, as you examine the graph, bull A, with a birth weight EPD of !0.1 lbs., produced calves that ranged in weight between 50 lbs. and 100 lbs. Webthe bull selection process. This manual will also explain how to ensure that bulls are physically sound and fit to work. We hope this manual will help you to unravel some of the issues to address when choosing a sire for your herd – whether you choose to purchase a stock bull or use AI sires. Alex Brown AHDB Beef Breeding Projects Manager Amy ... nif wec lines