EVALUATION OF FERTILITY PERFORMANCE IN IRAQI MARES

Author:

R. Abdul-Aziz F.,Y.A. Al-Rahman L.,M. Hasson T.

Abstract

Between August, 1989, to July, 1990, 874 Iraqi mares aged between (3-25) years were examined by rectal palpation to diagnose pregnancy in order to evaluate their reproductive efficiency. These mares were grouped according to their reproductive status into Lactating, Maiden and Barren. The mean overall pregnancy rate was 33.75% and the monthly rate ranged between 14%-55.5%. Pregnancy rates were 45%, 33.8% and 25.4% respectively. We conclude that pregnancy rate could be used to evaluate reproductive efficiency of Iraqi mares. Higher pregnancy rate can be obtained when mares serviced during Spring and Autumn months

Publisher

Baghdad University College of Veterinary Medicine

Subject

Management, Monitoring, Policy and Law,Geography, Planning and Development

Reference8 articles.

1. Sullivan, J.J., Turner, P.C., Self, L.C., Gutteridge, M.B., and Bartlett, D.E. (1975) Survey of Reproductive Efficincy in the Quarter Horse and Thoroughbred. J.Reprod. Fert. Suppl. 23: 315-318.

2. Ginther, O.J. (1979) Reproductive Biology of the mare (Basic and Applied Aspects). Published by Equiservices, Gross Plains, U.S.A.

3. Jennings, W.E. (1950) Twelve Years of horse breeding in the army. J.Am. Vet. Med. Asso. 116: 11-16.

4. Bain, A.M. (1957) Estrus and Infertility of the Throughbred mare in Australia. J. Am. Vet. Med. Assn.

5. Butterfield R.M., Mathews, R.G., and Ropiha, R.T. (1964): Observations on the fertility of Thoroughbred mares. Aust. Vet. J. 40: 415-417.

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