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Scientific Article

Fertility following synchronization of oestrus in romney, corriedale and merino ewes

Pages 175-177 | Received 09 May 1967, Published online: 23 Feb 2011

References

  • Brunner , M. A. , Hansel , W. and Hogue , D. E. 1964 . Use of 6-methyl-17-acetoxyprogesterone and pregnant mare serum to induce and synchronise oestrus in ewes . J. anim. Sci. , 23 : 32 – 36 .
  • Clark , J. N. , Roberts , E. M. , Carter , A. H. and Kirton , A. H. 1966 . Hormonal synchronisation of oestrus in Romney Marsh ewes during the breeding season . Proc. N.Z. Soc. anim. Prod. , 26 : 107 – 121 .
  • Denny , J. F. and Hunter , G. L . 1958 . Synchronisation of the oestrus cycle in sheep . S. Afr. J. agric. Sci , 1 : 381 – 388 .
  • Lamond , D. R. 1962 . Anomalies in onset of oestrus after progesterone suppression of oetrous cycles in ewes, associated with introduction of rams . Nature [Lond.] , 193 : 85 – 85 .
  • Lamond , D. R. and Bindon , B. M. 1962 . Oestrus, ovulation and fertility following suppression of ovarian cycles in Merino ewes by progesterone . J. Reprod. Fertil. , 4 : 57 – 66 .
  • Lishman , A. W. and Hunter , G. L. 1961 . Synchronisation of the oestrus cycle in sheep. 2. Administration of progesterone daily or at three-day intervals . S. Afr. J. agric. Sci. , 4 : 35 – 50 .
  • Robinson , T. J. 1958 . Studies in controlled artificial insemination of Merino sheep . Aust. J. agric. Res. , 9 : 693 – 703 .
  • Robinson , T. J. 1961 . The time of ovulation and efficiency. of fertilization following progesterone and pregnant mare serum treatment in the cyclic ewe . J. agric. Sci., Camb , 57 : 129 – 135 .
  • Robinson , T. J. 1964 . Synchronisation of oestrus in sheep by intravaginal and subcutaneous application of progestin impregnated sponges . Proc. Aust. Soc. anim. Prod. , 5 : 47 – 52 .

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