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Effect of selection for commercially productive traits on the plasticity of cardiovascular regulation in chicken breeds during embryonic development
Article investigates basic cardiovascular physiology in the Red Junglefowl, the broiler, and the White Leghorn breeds at 90% of incubation. The authors aimed to identify breed-specific features of arterial blood pressure and heart rate as well as the physiological mechanisms regulating them. They concluded that selection for rapid growth shifts cardiovascular regulatory plasticity to emphasize mechanisms that modulate pressure, and that selection for egg-laying capacity emphasizes mechanisms that modulate heart rate.
Date:
October 1, 2012
Creator:
Crossley, Dane A., II & Altimiras, J.
System:
The UNT Digital Library