L'insémination artificielle (IA) est la biotechnologie de la reproduction la plus utilisée dans le monde. Elle présente de nombreux intérêts génétiques, sanitaires, économiques et pratiques. En Algérie, bien que l'IA soit pratiquée depuis l'époque coloniale, son amélioration reste très limitée, et malgré ses progrès évidents, cette technique reste confrontée à des problèmes organisationnels et professionnels étant donné les multiples facteurs qui influencent directement ou indirectement la pratique de cette biotechnologie et limitent son taux de réussite. Dans ce...

Equine reproduction requires an important rigour in the management of the mare in order to fulfil the objective of one foal per year and as early as possible in the year, taking into account the particularities of the anatomy, oestrous cycle and ovulation in the mare, as well as the disorders which constitute a major economic stake for the equine breeders.In order to understand some of the problems that arise in reproduction in the mare, we were interested in the pathological changes that affected the different segments of the genital tract by proceeding to the description of any lesion that...

Polycystic ovary syndrome (PCOS) or ovarian dystrophy is one of the female hormonal disorders, an endocrinopathy that is very common in women during their reproductive years. It is the leading cause of female infertility and its prevalence depends on its origin as well as environmental and genetic factors. Defined by the Rotterdam criteria of 2003, this pathology is characterized by clinical and/or biological hyperandrogenism, associated with menstrual cycle disorders, anovulation, glycemic dysregulation and ultrasound criteria. The pathophysiology of PCOS is complex and its causes are not...