Prove the benefits of live birth and milk feeding.

In fact, there are no advantages to any breeding method. A specific species and group of animals have their own reproductive capabilities. Basically, this is the laying of eggs, eggs. We see that there are a huge number of such species, therefore such methods are not inferior to live birth and milk feeding. With the advantages of mammalian reproduction is that the mother can protect the offspring from negative environmental factors and natural enemies. With mother’s milk, offspring receives all the necessary nutrients and antibodies to fight disease.