Effect of site of sperm deposition on fertility when sows are inseminated with aged semen
Nutthee Am-in, DVM, PhD; Wichai Tantasuparuk, DVM, PhD; R. Manjarin, DVM, PhD; R. N. Kirkwood, DVM, PhD, Diplomate ECAR
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With conventional insemination, farrowing rate and litter size were lower (P <Â .05) when sperm was aged (â¥ 4 days; n = 30) rather than fresh (â¤ 3 days; n = 29). Farrowing rate, but not litter size, was maintained with intrauterine insemination of aged sperm (n = 29).
Keywords: sperm, age, farrowing rate, insemination, litter size
Cite as: Am-in N, Tantasuparuk W, Manjarin R, et al. Effect of site of sperm deposition on fertility when sows are inseminated with aged semen. J Swine Health Prod 2011;19(5):295-297.
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