Protein-energy synchronization index Methane Volatile fatty acids Bacterial contamination Cholesterol Digestibility Enzyme activity HDL LDL Legumes Macronutrient Meal Soursop leaf Tegal duck Trygliseride casein cow's milk cows dairy food security forages goats in vitro keterampilan legumes mastitis microorganisms; dairy; garlic skin extract; inhibition activity milk pelatihan pondok pesantren salaf prevalence rate.ngkat prevalensi protein ruminant synchronization protein-energy index teknologi pengolahan hasil ternak tropics