Case report: Breeding soundness examination of 12 native Omani bulls
Abstract
Breeding bulls strongly affect the reproductive efficiency of cattle herds, irrespective of whether they are used for natural breeding or artificial insemination. The purpose of this case was to evaluate the reproductive potential of native Omani bulls using criteria established by the Society for Theriogenology for breeding soundness examination (BSE). Twelve bulls, 2-4 years old were evaluated. The bulls were weighed and assigned a body condition score (BCS) on a scale ranging from 1 through 9. Scrotal circumference (SC) was measured and semen was collected with an elctroejaculator. Semen was evaluated for sperm mass activity, individual sperm motility, sperm concentration and morphology. Two bulls were declared unsatisfactory owing to azoospermia (ejaculate devoid of sperm) in one and a scrotal hernia in the second.
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