Abstract
Determinants of the follicular population and oocyte quality of Cameroonian native ewes
Highlights
In Cameroon, the number of small ruminants is estimated at around 7 million heads, including 3.2 million sheep [1]
The sheep breeds encountered are among others the Djallonke, fulani of the Wayla and Ouda varieties, Mayo Kebbi and Kirdi. They are commonly called "the poor man’s meat" [2]. This breeding is confronted with many problems in particular the reproduction remaining natural without any assistance of biotechnologies in particular artificial insemination, in vitro fertilization and embryo transfer [3]
The advantage of using these reproductive biotechnologies, is that it considerably increases the size of the herd while contributing to the preservation of the genetic heritage of sub fertile or dead animals [4]
Summary
In Cameroon, the number of small ruminants is estimated at around 7 million heads, including 3.2 million sheep [1]. The sheep breeds encountered are among others the Djallonke, fulani of the Wayla and Ouda varieties, Mayo Kebbi and Kirdi. They are commonly called "the poor man’s meat" [2]. This breeding is confronted with many problems in particular the reproduction remaining natural without any assistance of biotechnologies in particular artificial insemination, in vitro fertilization and embryo transfer [3]. The present study was carried out with the aim of determining the ovarian potential of the local sheep for the production of oocytes in vitro in Cameroon. We will determine the follicular population and oocytes recovery rate; assess the influence of ovarian and non-ovarian parameters on follicular population, yield and quality of oocytes
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