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Divergent selection in Japanese quail for the plasma cholesterol response to ACTH

, : Divergent selection in Japanese quail for the plasma cholesterol response to ACTH. Poultry Science 59(8): 1700-1705

Two lines of Japanese quail were divergently selected for high and low plasma cholesterol levels after 3 daily injections with 2 IU of ACTH/100 g of body weight. Plasma cholesterols were obtained at 31 days of age, just before the 1st injection, and at 34 days of age, after the last injection. After 8 generations of selection, the plasma cholesterol level after ACTH injections in the high line was 34% greater than the level in the control line; the low line level was .apprx. 14% less than that in the control. Selection differentials were significantly greater in the high line than in the low line. The realized heritability for plasma cholesterol after ACTH stimulation was approximately 0.15 in both lines. The heritability of plasma cholesterol before ACTH treatment calculated by regression of progeny on mid-parent was 0.25 in the high line and 0.16 in the low line.


PMID: 6251440

DOI: 10.3382/ps.0591700

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