A few adequately clinical cases of canine infertility, presented in an interactive form will allow to study the semiology of barrenness and alternatively to propose therapeutic approaches.

We will also discuss the following topics: vaginal and foreskin cytology, hormonal tests bacterial analysis.

The choice of the ancillary test will depend on the history and clinical examination.

The aim of this lecture is to make the practitioner more familiar with some problems which are essentials for the dogs breeders.