broody hens造句

• Broody hens pluck feathers from their chest, using them to cover the eggs.
• The entire battery of broody hens has decided not to make public any details of these talks,
• Contrary to common opinion, the temperature of broody hens barely differs from that of laying hens.
• The broody hen will stop laying and instead will focus on the incubation of the eggs ( a full clutch is usually about 12 eggs ) ".
• "These broody hens are upset, " said Mohamed El Halawani, a professor of reproductive physiology at the University of Minnesota in St . Paul.
• Halawani discovered that broody hens secrete elevated levels of vasoactive intestinal peptide, which, as it circulates in the blood, signals the pituitary gland that it should release prolactin, a hormone.
• To the broody hen the notion would probably seem monstrous that there should be a creature in the world to whom a nestful of eggs was not the utterly fascinating and precious and never-to-be-too-much-sat-upon object which it is to her ."