• P J Wright and B W Parry.
• University of Melbourne School of Veterinary Science, Werribee, Victoria, Australia.
• Vet. Clin. North Am. Small Anim. Pract. 1989 Sep 1; 19 (5): 851-74.

AbstractThe methods for semen collection, its laboratory examination, and the interpretation of findings are presented in this article. The lack of comprehensive data for normal dogs and the lack of data associating actual percentages of spermatozoa with specific abnormalities with fertility or infertility are highlighted. Consequently, there is a need for standardization and completeness of semen examination procedures, especially in studies destined for publication. Collection and analysis of prostatic samples then is discussed, and the distinguishing cytological features of benign prostatic hyperplasia, prostatic adenocarcinoma, prostatis (including prostatic abscessation), and prostatic cysts are presented. This is followed by an assessment of the clinical usefulness of vaginal cytology, particularly to assist in the management of normal canine reproduction and in the diagnosis of reproductive disorders. The ways in which vaginal smears can facilitate the diagnosis of the stage of the estrous cycle and the diagnosis of abnormalities of the cycle and other disorders of reproduction are presented. Further consideration is given to its use to estimate the time of ovulation retrospectively and estimate the time of whelping prospectively. Finally, two specific diseases that can affect dogs and bitches are reviewed, namely, canine brucellosis and transmissible venereal tumor.

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