The preservation of buffalo bull semen [using tris egg yolk and milk egg yolk]

animal animal de travail animal domestique animal laitier animal products animales animales de carne animales de trabajo animales lecheros animals artificial insemination artiodactyla artiodactyle bovidae bovide bovine bovines breeding breeding methods buffle d'eau conservation du sperme domestic animals egg characters eggs ganado huevos livestock mammals meat animals methode methods oeuf preservation productos productos de origen animal products produit produit d'origine animale rumiante ruminant ruminants semen preservation vertebrados vertebrates vertebre vitellus water buffaloes working animals yema de huevo