Effect of an inactivated bluetongue serotype 8 vaccine on semen quality in rams
2012
Abstract The aim of this study was to determine whether a single dose of an inactivated bluetongue virus serotype 8 (BTV-8) vaccine altered semen quality in rams. Twenty sexually mature rams were assigned to three experimental groups: two groups of four animals were vaccinated and a third group of four animals was unvaccinated. The first group included rams with a history of natural BTV-8 infection in 2007 and the second and third groups included BTV-8 naive rams. Semen was collected prior to vaccination and for 4 months post-vaccination. There were no significant differences in semen quality traits, including motility and concentration of spermatozoa, and percentages of living, normal dead and abnormal dead spermatozoa, between vaccinated and unvaccinated groups, or over time ( P > 0.05). The BTV-8 vaccine tested in this study did not appear to have any adverse effect on semen quality in rams.
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