Journal of Veterinary Medical Science
Online ISSN : 1347-7439
Print ISSN : 0916-7250
Theriogenology
Comparison of Fertility on Intrauterine Insemination between Cryopreserved Ejaculated and Cauda Epididymal Sperm in Dogs
Tatsuya HORIYasuyoshi MATSUDAMasanori KOBAYASHIEiichi KAWAKAMIToshihiko TSUTSUI
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2011 Volume 73 Issue 12 Pages 1685-1688

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Abstract

The fertility was compared between ejaculated and cauda epididymal sperm sensitized with prostatic fluid in dog after freeze-thawing using the fertility of ova from the contralateral ovary after injection (2 × 108 sperm) into dog uterus on the unilateral ovariectomized side, on the basis of the presence or absence of conception. No significant difference was observed in sperm quality after freeze-thawing between the two groups and conception rates were equivalent and low. Therefore, to achieve a high fertility by intrauterine insemination of canine frozen-thawed ejaculated and cauda epididymal sperm, intrauterine insemination on both sides is recommended, rather than insemination with a lot of sperm of the uterine horn on one side.

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