Effect of Heat Stress on Ovarian Function of Laying Hens

Reproductive failure associated with heat stress is a well-known phenomenon. The mechanism involved in this failure is not clearly understood. In order to test a possible direct effect of heat stress on ovarian function, 36 White Leghorn laying hens were housed in individual cages in 2 temperature-...

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Veröffentlicht in:	Poultry science 2007-08, Vol.86 (8), p.1760-1765
Hauptverfasser:	Rozenboim, I, Tako, E, Gal-Garber, O, Proudman, J.A, Uni, Z
Format:	Artikel
Sprache:	eng
Schlagworte:	17-α hydroxylase Animals aromatase body temperature Body Temperature - physiology chickens Chickens - physiology cytochrome P-450 egg production egg weight Eggs - analysis Environment Female fever heat stress hormone secretion hormones Hot Temperature laying hens laying performance messenger RNA Organ Size ovarian follicles ovaries Ovary - anatomy & histology Ovary - physiology Oviposition - physiology reproduction reproductive failure Steroid 17-alpha-Hydroxylase - genetics Steroid 17-alpha-Hydroxylase - metabolism steroidogenic enzymes Stress, Physiological - physiopathology Time Factors tissue weight
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