Influence de l'alimentation des truies gravides sur l'évolution des réserves corporelles maternelles et le développement de la portée

Abstract

Summary. Effect of feeding on pregnant sow body storage and development of the offspring. Introduction.

Valine Requirement for Reproduction in Swine

“…In general, the recommendations of feeding levels for pregnant sows have dropped from ad libitum to a re stricted allowance (Etienne, 1979). This is a result of economic factors as well as the reduced energy needs of the sow associated with the move ment of commercial swine production to confinement.…”

The valine requirement for reproduction in swine

“…In the last fifteen years, there have been numerous reports on feeding levels for pregnant sows, among them, the reviews by Lodge (1969 and1972), offer a good discussion. In general, the recommendations of feeding levels for pregnant sows have dropped from ad libitum to a re stricted allowance (Etienne, 1979). This is a result of economic factors as well as the reduced energy needs of the sow associated with the move ment of commercial swine production to confinement.…”