I think that the animals in particular cows produce a quantity of milk that exceeds the need of the baby so it is preferable to be milking half the breast and leave the other half of the baby so as not to get diarrhea
It is recommended to give milk to the newborn 2-3 times a day fresh and to be at 35-38 ° C (body temperature) and 1 kg of milk per 10 kg of weight of the baby as a base by using the pail in the process of breastfeeding. In addition to milk, the finger feeds inside the pail inside the milk to be sucked into the milk and sucked with a part of the milk. This is in addition to the milk. The concentrated feed is provided from the third week and gradually increases with the beginning of the sixth week until the 14th week of age. Milk to substitute for feed, and provides milk during the first three months (ie during the period of lactation) 300-400 kg milk.