Sampling (1) Production (Economic theory) (1) Milk (1) Labor (Obstetrics) (1) Insulin (1) Cattle (1) Calcium (1) Blood (1) Fatty acids (1) Toma de muestras (1) Ácidos grasos (1) Calcio (1) Ganado vacuno (1) Leche (1) Sangre (1) Parto (1) Producción (1) Insulina (1) production (1)