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Sexual functions semen characteristics and fertility of bulls carrying the 1 29 chromosome translocation

Hereditas (Lund) 90(2): 281-290

Sexual functions semen characteristics and fertility of bulls carrying the 1 29 chromosome translocation

Bulls (12) carrying the 1/29 chromosome translocation were compared with 45 chromosomally normal bulls concerning sexual functions, semen characteristics and fertility. All bulls were unselected from the point of view of fertility. Sexual functions such as libido and serving ability were normal in bulls carrying the 1/29 chromosome translocation. Semen analysis indicated small reductions in concentration and total number of spermatozoa, but the volume of the ejaculate and qualitative characteristics such as wave motion and motility of sperm appeared normal. Fertility was reduced and non-return rates to service at 28 and 56 days reduced by 5 and 7%, respectively, expressed as percentage of the mean rates of the association.

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Accession: 006408662

PMID: 437991

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