Korean Journal of Veterinary Research 1994;34(4):851-855.
Artificial insemination with frozen semen in the dog - Simple freezing method using methanol -
Yong-jun Kim, Young-jae Park, Byeong-jin Kim, Il-jeoung Yu
College of Veterinary Medicine, Chonbuk National University
개에서 동결정액을 이용한 인공수정 - Methanol을 이용한 간이 동결방법 -
김용준, 박영재, 김병진, 유일정
전북대학교 수의과대학
Abstract
The semen from four male dogs which had been proven to be fertile in the past were frozen in a deep freezer at $-60^{circ}C$ 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 $-60^{circ}C$ 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).
Key Words: artificial insemination, simple freezing, methanol, post-thaw, motility, viability, canine sperm
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