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The effect of dilution rates and freezing methods on post-thawing motility of Baluchi ram spermatozoa

Published online by Cambridge University Press:  20 November 2017

Y.J. Ahangari ,
M. Nowrozi  and
A. Soleimani
Y.J. Ahangari
Affiliation:
Gorgan University of Agricultural and Natural Resources, Gorgan, I R Iran
M. Nowrozi
Affiliation:
Gorgan University of Agricultural and Natural Resources, Gorgan, I R Iran
A. Soleimani
Affiliation:
Gorgan University of Agricultural and Natural Resources, Gorgan, I R Iran
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Extract

For the effective use of Artificial insemination technique in sheep industry, investigation on the methods of ram semen dilution and freezing is necessary. Ahangari (1992) showed that various rates of dilution from 1:1 to 1:4 did not affect p>0.05 post thawing survival of Cambridge ram spermatozoa. Fiser et al (1987) achieved a 73% c.f. 67% pregnancy rate using thawed semen, previously frozen to -100 and -79 respectively. The objective of this study was to investigate the effect of two rates of dilution of semen and two methods of freezing on post-thawing motility of ram spermatozoa.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2002 , 2002 , pp. 130
Copyright
Copyright © The British Society of Animal Science 2002

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References

Ahangari, Y.J. 1992. Cryopreservation of ram semen for artificial insemination. Ph.D. Thesis, University of Wales, Bangor, UK Google Scholar
Fiser, P.S., Ainsworth, L. and Fairfull, R.W. 1987. Evaluation of a new diluent and different processing procedures for cryopreservartion of ram semen. Theriogenology., 28(5):599–607.Google Scholar
Gill, J.L. (1978) Design and analysis of experiments in the animal and medical sciences. Vol. 2, P: 320 Google Scholar
Mathur, A.K. 1991. Effect of extension rate on the cryosurvival of ram spermatozoa. International Journal of Animal Sciences 6:2, 82–83.Google Scholar