cGhrelin对岭南黄蛋鸡生产性能的影响

Abstract

Abstract: The current study was conducted to investigate the regulatory effects of cGhrelin on productive performance in Lingnan yellow laying hens. A total of 24 Lingnan yellow layers at 45 weeks age were randomly divided into the test group and the control group. The layers in test group were treated by wing intravenous injection of 0.5 nmol/100 g cGhrelin every 3 days, and the layers in control group were injected in the same volume of normal saline as test group. The productive performance of layers was measured every 3 days, and physiological and biochemical indicators were checked on the 15 days through a slaughtering experiment. The results showed that compared with the control, cGrelin could decrease egg production percentage and daily feed intake (P<0.05); but had no significant effects on feed/egg ratio and average egg weight (P>0.05); concentrations of triiodothyronine and thyroxine were decreased obviously (P>0.05) and the level of estradiol was decreased significantly (P<0.05). It indicated that cGhrelin had averse effects on some productive performance in Lingnan yellow layers.

Key words: cGhrelin; Lingnan yellow layers; productive performance; thyroxine; estradiol

CLC Number:

S831.1

DONG Xiao-ying, TANG Sheng-qiu. Effects of cGhrelin on Productive Performance in Lingnan Yellow Layers[J]. , 2012, 39(7): 116-119.

References

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Effects of cGhrelin on Productive Performance in Lingnan Yellow Layers

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