National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Artificial insemination is the most valuable tool for the dissemination of superior germplasm and control of venereal diseases. To accomplish this task, successful and effective cryopreservation of semen is imperative. Semen cryopreservation facilitates its transportation from long distances and use of semen even after the death of sire. However effective cryopreservation of semen of many domestic animals is still not achieved because large proportion of sperms does not survive after freezing and thawing process. During cryopreservation of semen, sperms are damaged if semen is not cooled with optimum cooling rates. The objective of this review is to summarize and compare the work on effects of cooling rates and critical temperature range on post thaw semen quality of different animals. It could be concluded from the present review that optimum freezing protocol for buffalo bull, sheep, pig and stallion is not standardized, so far. However, till to some extent success has been achieved in cattle bulls.
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