Metabolic rate and its relationship with ascites in chicken genotypes.

1. Male chickens of 7 genetic lines, consisting of two pure sire and two pure dam populations, a commercial broiler cross and two slow-growing chicken lines (Label Rouge, LR and Mechelse Koekoek, MK) were reared from 1 to 37 d of age. The chickens received a two-phase dietary regime and were subjected to low ambient temperature.

The change in the rate of muscle protein metabolism of rats from weaning to 90 days of age.

1. Protein synthesis, net deposition and breakdown was studied in the gastrocnemius muscles of growing rats between weaning and 90 days of age. 2.

The effect of lactation on the fractional synthetic rate of protein in the liver and muscle of rats.

Protein synthesis in muscle and liver were studied in rats in early and peak lactation. While the fractional synthetic rate of liver was greatly enhanced there were no significant changes in muscle. No evidence was obtained for a marked contribution of muscle protein for the demand of lactation.