Published in Scientific Works. Series C. Veterinary Medicine, Vol. LXVIII, Issue 1
Written by Cristiana GENES, Vasile GENES, Alexandru Cătălin GENES, Nicolae DOJANĂ
The purpose of this paper was to determine the evolution of the blood biochemical profile in 63-week-old Hy-Line var. Brown hens, in natural moulting conditions. A control group that showed no signs of moulting and a spontaneously moulted hen group were monitored for eight weeks. The analysed blood biochemical parameters were: glucose, total protein, uric acid, cholesterol, calcium and phosphate concentrations, and Ca/P ratio. All analysed parameters recorded different levels in the moulting period, compared to those in the period before this physiological process. The hens in the moulting group showed significant (P<0.01) variations in serum glucose compared to those in the control group where these variations did not differ significantly. Glucose raised by 19%, uric acid decreased by 2.9% and total serum proteins also decreased by 23.89% compared to the control group. Cholesterol of the moulting group reached its highest values raising with 100% and Ca/P ratio had a decreasing with 5.1% compared to the control group. Thus, it can be stated that the determination of the biochemical profile is useful in the evaluation of the physiological status of moulting hens.
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