Ovulation rates of synchronised Coopworth ewes over the peak of the breeding season

References

• Aitken , M. 1978 . The analysis of unbalanced cross classification . Journal of the Royal Statistical Society A , 141 : 195 – 223 .
   Web of Science ®Google Scholar
• Averill , R. L. W. 1959 . Ovulatory activity in mature Romney ewes in Otago . New Zealand journal of agricultural research , 2 : 575 – 583 .
   Google Scholar
• Coop , I. E. 1966 . Effect of flushing on reproductive performance of ewes . Journal of agricultural science, Cambridge , 67 : 305 – 323 .
   Web of Science ®Google Scholar
• Davis , G. H. , Crosbie , S. F. and Smith , J. F. 1985 . Effect of season of steroid immunisation and Booroola genotype on the level and duration of response in ovulation rate of ewes . Proceedings of the New Zealand Society of Animal Production , 45 : 178 – 180 .
   Google Scholar
• Fletcher , I. C. 1970 . Effects of nutrition, liveweight, and season on the incidence of twin ovulation in South Australian strong-wool merino ewes . Australian journal of agricultural research , 22 : 321 – 330 .
   Google Scholar
• Kelly , R. W. , Allison , A. J. and Shackell , G. H. 1976 . Seasonal variation in oestrous and ovarian activity of five breeds of ewes in Otago . New Zealand journal of experimental agriculture , 4 : 209 – 214 .
   Google Scholar
• Kelly , R. W. and Johnstone , P. D. 1982 . Reproductive performance of commercial sheep flocks in South Island districts. 2. Relationships between ovulation rate, liveweight, mating, and lambing performances . New Zealand journal of agricultural research , 25 : 519 – 523 .
   Web of Science ®Google Scholar
• Killeen , I. D. 1967 . The effects of body weight and level of nutrition before, during, and after joining on ewe fertility . Australian journal of experimental agriculture and husbandry , 7 : 126 – 136 .
   Google Scholar
• Montgomery , G. W. and Hawker , H. 1987 . Seasonal reproduction in ewes selected on seasonal changes in wool growth . Journal of reproduction and fertility , 79 : 207 – 213 .
   PubMedGoogle Scholar
• Montgomery , G. W. , Scott , I. C. and Johnstone , P. D. 1988 . Seasonal changes in ovulation rated in Coopworth ewes maintained at different liveweights . Animal reproduction science , 17 : 197 – 205 .
   Web of Science ®Google Scholar
• Nelder , J. A. and Wedderbum , R. W. M. 1972 . Generalised linear models . Journal of the Royal Statistical Society A , 135 : 310 – 384 .
   Google Scholar
• Rattray , P. V. , Jagusch , K. T. , Smith , J. F. , Winn , G. W. and Maclean , K. S. 1980 . Getting an extra 20% lambing from flushing ewes . Proceedings of the Ruakura Farmers' Conference , 32 : 105 – 118 .
   Google Scholar
• Smith , J. F. 1988 . Influence of nutrition on ovulation rate in the ewe . Australian journal of biological science , 41 : 27 – 36 .
   PubMedGoogle Scholar
• Smith , J. F. , McGowan , L. T. , Maclean , K. S. and Farquhar , P. A. 1987 . The effect of steroid immunisation on the seasonal pattern of oestrus, ovulation and ovulation rate in Coopworth ewes . Proceedings of the New Zealand Society of Animal Production , 47 : 143 – 146 .
   Google Scholar
• Smith , J. F. , Rattray , P. V. and Jagusch , K. T. 1982 . Nutritional manipulation of reproduction . Proceedings of the World Congress on Sheep and Beef Cattle Breeding , 1 : 375 – 385 .
   Google Scholar
• Smith , J. F. , Rattray , P. V. , Jagusch , K. T. , Cox , N. R. and Tervit , H. R. 1979 . Ovulation-liveweight relationships in ewes . Proceedings of the New Zealand Society of Animal Production , 39 : 50 – 55 .
   Google Scholar
• Thompson , K. F. , Crosbie , S. F. , Kelly , R. W and McEwan , J. C. 1985 . The effect of liveweight and live-weight change on ewe ovulation rate at 3 successive oestrous cycles . New Zealand journal of agricultural research , 28 : 457 – 462 .
   Web of Science ®Google Scholar