The inability of a bull to reproduce due to its inability to impregnant fertile cows is called impotentia generandi. This infertility may be due to the inability to achieve erection, the inability to complete coitus, or the inability to produce an adequate volume of morphologically normal spermatozoa. Therapies targeting the urogenital tract of the bull can restore reproductive capabilities. Veterinarians can provide consultation regarding both management and selection criteria that will, in some cases, lower the overall risk of loss associated with the development of some conditions of the penis and prepuce.
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