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Abstract

Higher systemic progesterone in the immediate post-conception period is associated with an increase in embryonic growth rate, interferon-tau production and pregnancy rate in cattle. The objective of this study was to examine the effect of increasing progesterone concentration on Day 3 on subsequent ...

Author(s)
Carter, F.; Forde, N.; Duffy, P.; Wade, M.; Fair, T.; Crowe, M. A.; Evans, A. C. O.; Kenny, D. A.; Roche, J. F.; Lonergan, P.
Publisher
CSIRO Publishing, Collingwood, Australia
Citation
Reproduction, Fertility and Development, 2008, 20, 3, pp 368-375
Abstract

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 ...

Author(s)
Roche, J. F.; Sherington, J.; Mitchell, J. P.; Cunningham, J. F.
Citation
Irish Journal of Agricultural Research, 1978, 17, 2, pp 149-157
Abstract

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)...

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