Encyclopedia of Animal Science (Print)

acids activity addition Agriculture amino acids amount animal Animal Science areas associated beef behavior body bone breeds carcass cattle cause cells changes common composition concentrations consumed contain cows dairy determined dietary diets digestion disease domestic effects efficiency eggs Encyclopedia energy environment expression factors farm fatty feed females fiber function gene genetic glucose goats growth hormones horses human immune important improve increase industry INTRODUCTION lactation less levels limited livestock major manure Marcel Dekker mature meal meat milk mineral models muscle natural needs nutrient nutrition occurs organs performance pigs plant potential poultry present Press production protein reduce REFERENCES regulation relatively reproductive requirements Research response result ruminants selection sheep soil species stress supplements Table tion tissue United University vitamin weight