Control of oestrous cycle in small ruminants [Παρεμβάσεις ρύθμισης του οιστρικου κύκλου των μικρών μηρυκαστικών]

Abstract

Control of oestrous cycle is an important,management tool in sheep and goat farms. Over the years, various,methods have been developed and many applications have been,documented in the international literature. In this review paper, the,theoretical background and practical aspects of oestrous cycle control,in small ruminants are reviewed; furthermore, problems related to,oestrous cycle control are discussed. The article is divided in the,following sections: (i) Methods for the control of the oestrous cycle,(selection of method, male effect, pharmaceutical methods), (ii),Methods for increasing ovulation rate (nutrition, genetics, hormonal,treatment, immunization techniques), (iii) Induction of early,puberty, (iv) Fertilization of animals (mating or artificial,insemination), (v) Problems during application of oestrous control,methods (side effects of treatments, application errors). © 2017. Journal of the Hellenic Veterinary Medical Society. All Rights Reserved.