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KMID : 0359319940340040851
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Korean Journal of Veterinary Research
1994 Volume.34 No. 4 p.851 ~ p.855
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Artificial insemination with frozen semen in the dog
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Abstract
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The semen from four male dogs which had been proven to be fertile in the past were frozen in a deep freezer at -60℃ by simple freezing method using methanol and preserved at the same teperature for from 7 to 10 days. The semen were inseminated to 7 female dogs in estrus to find out the usability of this freezing method in artificial insemination for dogs. In addition, post-thaw motility and viability of sperm from two male dogs which had been fertile were also evaluated to investigate individual difference. Successful pregnancy was obtained by artificial insemination with canine semen frozen at -60℃ by simple freezing method using methanol, namely, 3 bitches among 7 bitches which had been inseminated delivered puppies(42.8%).
The average litter size of the whelping dogs were 4.3 puppies. The average post-thaw motility of canine sperm in the cases of conception was showen higher than those of non-conception(65.0% vs. 42.5%), along with the, same result in the average post-thaw viability between the two groups(53.3% vs, 27.5%). Individual difference of post-thaw motility and viability was obtained between two fertile dogs(p<0.05).
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