Consequently,attention must be be given to nutrition of gestating and lactating females to ensure that the nutrition of the sucking animal is optimised. In fact,if immunoglobulin transfer from mother animals to their progeny is not sufficient during lactation, growing animals will become very sensitive to pathological issues such as intestinal bacteria inducing diarrhoea. Colostrum (and milk) quality in terms of immune protection and nutritional value will impact the growth rate of the young animals and then its future growth capacity. This review will explain the beneficial effects of adding live yeast to the feed of breeding animals on the health and growth of their offspring.