Animal Science Department

 

Date of this Version

1987

Comments

Published in JOURNAL OF ANIMAL SCIENCE 64 (1987), pp. 1060-1069. Copyright © 1987 American Society of Animal Science. Used by permission.

Abstract

The effects of protein and energy intakes by primiparous sows during a 28-day lactation on thyroxine (T4) and urea concentrations in blood serum of sows, and sow and litter performance were examined in two experiments.

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