beef cow food production milk swine pig cattle nutrition farm farming salt mineral food processing poultry cows turkey bacon ethanol sleeping grain sheep steak alternative medicine lanolin predators horns photoperiod milking time parturition medical university of alberta manure animal anatomy h1n1 cloaca gelatin gummi bear piglet sow farrow pasteurization safety processing sport reining horse rein reproduction boar livestock agriculture industry usage animal water methane feeding byproducts wings chicken pub charolais breed breeding french france dairy cheese intolerance lactose goat tipping farrowing consumption
Ver más