Assessment of the productivity and development of breeding and management strategies for beef cattle under different agroecological conditions (terminal report)

animal breeding animal production bovin breeds (animals) cattle cultivo de temporal culture pluviale demografia demographie demography economic sociology farm income filipinas ganado bovino genetic polymorphism heterocigotos heterozygote heterozygotes highlands isoenzimas isoenzyme isoenzymes lowland mejoramiento animal philippines polimorfismo genetico production animale race (animal) rainfed farming razas (animales) revenu de l'exploitation sociologia economica tierras bajas