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A postal survey was carried out to determine the influence of certain factors on calving rate of spring-calving dairy cows in the Irish Republic in 2 consecutive years. Only 44% of farmers responded to the survey in 1973 and 58% in 1974. The calving rate for 8285 inseminations was 66%. There was no ...

Roche, J. F.; Sherington, J.; Mitchell, J. P.; Cunningham, J. F.
Irish Journal of Agricultural Research, 1978, 17, 2, pp 149-157

In 1973-74, a postal survey was carried out on spring-calving dairy cows in the Irish Republic. For 8285 inseminations, the overall CR was 66%. The interval from calving to 1st insemination averaged 69 days. For cows conceiving to 1st insemination, this interval was significantly longer (70 days)...

Sherington, J.; Roche, J. F.; Cunningham, J. F.; Mitchell, J. P.
Irish Veterinary Journal, 1978, 32, 8, pp 137-142