Selling (2) Rate of return (2) Race (2) Production (Economic theory) (2) Meat (2) Estudios (2) Raza (2) Carne (2) Producción (2) Rentabilidad (2) Venta (2) production (2) viande (2) Labor (1) Wool (1) Skin (1) Sheep (1) Profit (1) Prices (1) Oats (1) Mothers (1) Human beings (1) Livestock breeders (1) Livestock (1) Labor (Obstetrics) (1) Industrial productivity (1) Diet (1) Costs, Industrial (1) Computer software (1) Childbirth (1)