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Studies of mating behaviour and fertility of Merino ewes

I. Effects of number of ewes joined per ram, age of ewe, and paddock size

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Pages 259-267 | Received 15 Dec 1975, Published online: 18 Jan 2012

References

  • Allison , A. J. 1975a . Flock mating in sheep. 1. Effect of number of ewes joined per ram on mating behaviour and fertility . N.Z. Journal of Agricultural Research , 18 : 1 – 1 .
  • Allison , A. J. 1975b . Ewe and ram fertility in commercial flocks mated with differing numbers of ewes per ram . N.Z. Journal of Experimental Agriculture , 3 : 161 – 161 .
  • Allison , A. J. and Davis , G. H. 1976 . Studies of mating behaviour and fertility of Merino ewes. II. Effects of age of ewe, live weight, and paddock size on duration of oestrus and ram seeking activity . N.Z. Journal of Experimental Agriculture , 4 : 269 – 274 .
  • Allison , A. J. , Kelly , R. W. , Lewis , J. S. and Binnie , D. B. Preliminary studies on the efficiency of mating in ewe hoggets . Proceedings of the N.Z. Society of Animal Production . Vol. 35 , pp. 83 – 83 .
  • Allison , A. J. , Thompson , K. F. and Davis , G. H. Liveweight fertility relationships in Merino and half-bred ewes in a high country environment . Proceedings of the N.Z. Society of Animal Production . Vol. 34 , pp. 45 – 45 .
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  • Killeen , I. D. 1974 . Effect of liveweight of Border Leicester x Merino ewes and breed of ram on fertilisation in flock mated sheep . Journal of Reproduction and Fertility , 36 : 464 – 464 .
  • Lambourne , L. J. The management of rams for a high lambing percentage. Mating behaviour . Proceedings of the Ruakura Farmers' Conference Week . pp. 16 – 16 .
  • Lightfoot , R. J. and Smith , J. A. C. 1968 . Studies on the number of ewes joined per ram on flock matings under paddock conditions. 1. Mating behaviour and fertility . Australian Journal of Agricultural Research , 19 : 1029 – 1029 .
  • Scales , G. H. , Currie , J. D. , Kissick , K. P. and Donaldson , T. H. 1975 . Tara Hills High Country Survey 1973 . Tussock Grasslands and Mountain Lands Institute Review , 31 : 31 – 31 .
  • Westhuysen , J. M. van der . 1971 . Observations on the effects of season and age of ewe, on the mating behaviour of Merino rams . Agroanimalia , 3 : 111 – 111 .

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