Ureaplasma diversum in bull semen in Australia: its detection and potential effects

Hobson, N., Chousalkar, K.K., and Chenoweth, P.J. (2013) Ureaplasma diversum in bull semen in Australia: its detection and potential effects. Australian Veterinary Journal, 91 (11). pp. 469-473.

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Abstract

Background: The primary objective of this study was to confirm the infection status of Ureaplasma diversum in Australian bulls and to identify morphological changes of sperm from U. diversum-positive bulls.

Methods: Fresh semen samples were taken from 29 sexually active beef bulls from suspect herds in the Riverina/Upper Murray region. U. diversum was identified using PCR analyses and culture of the organism.

Results: Nine of the bulls were PCR-positive for U. diversum but none of these had genital lesions. Sperm from infected bulls showed increased incidence of abnormal tails (bent and coiled), as well as surface abnormalities (i.e. small protuberances or lumps).

Conclusions: The results suggest impairment of sperm function and possibly fertility. Further investigations into the potential role of U. diversum as a pathogen for Australian cattle are warranted.

Item ID: 40998
Item Type: Article (Research - C1)
ISSN: 1751-0813
Keywords: beef cattle, bulls, infertility, sperm morphology, ureaplasma diversum
Date Deposited: 07 Dec 2015 03:23
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0702 Animal Production > 070206 Animal Reproduction @ 40%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070707 Veterinary Microbiology (excl Virology) @ 60%
SEO Codes: 83 ANIMAL PRODUCTION AND ANIMAL PRIMARY PRODUCTS > 8303 Livestock Raising > 830301 Beef Cattle @ 50%
83 ANIMAL PRODUCTION AND ANIMAL PRIMARY PRODUCTS > 8303 Livestock Raising > 830302 Dairy Cattle @ 50%
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