Holstein heifers© Tim Scrivener
Dairying experts at home and abroad are questioning whether units are achieving heifer growth targets of 0.7-0.8kg/day and if this gain is sufficient for the modern Holstein. Concerted efforts to serve from 14 months and calve all heifers by 24 months reduces heifer rearing costs from £1.47-£3.35/day, according to AHDB Dairy in 2015, but increases daily liveweight gain (DLWGs) requirements of heifer rearing facilities. However, many people in the industry say mature Holstein cows are slightly larger on some farms, […]