Effect of hormones on ciliate counts and biomass from the rumen of sheep [Egypt]

africa afrique afrique du nord animal animal domestique animales animales de carne animales laniferos animals artiodactyla artiodactyle biological production biomasa biomass biomasse bovidae bovide ciliophora domestic animals egipto egypt ganado hormonas hormone hormones invertebrados invertebrates livestock mammals meat animals north africa organic compounds ovin ovinos production production biologique protozoa protozoaire rumiante ruminant ruminants sheep vertebrados vertebrates vertebre