date:May 26, 2012
ss than 50% six-week in-calf rate if the body condition score is less than 2.75.
Because heifers take seven to 10 days longer to come back in heat, calve them before the cows start calving. Experts said genetics accounts for 50% of the variability in fertility in herds.
The advice from New Zealander Scott McDougall on problem cows is that these cows are examined 10 days before the start of breeding in New Zealand.
This increases their chances of being submitted in the first three weeks.
Also