昼夜节律性温度变化对蛋鸡血钙浓度及其pH值的影响Effect on Blood Calcium Concentration and pH in Hens under Cyclic Temperature Changes
王润莲,贾汝敏,栾晓峰,李新社
摘要(Abstract)：
选用40周龄艾维因父母代向种母鸡24只，设适温（13～23℃）和高温（25～38℃）两个处理，测定了母鸡在蛋壳钙沉积期间血钙（Ca2+）和总钙（TCa）浓度及pH值的变化。结果表明，在不同的环境温度下，母鸡血Ca2+和TCa浓度的变化规律各不相同，当母鸡适应了昼夜节律性变化的高温环境时，用于蛋壳钙沉积的有效钙供应量不会减少（P＜0．05），高温组母鸡血液pH值显著高于适温组（P＜0．05），且高温引起蛋壳品质下降。
关键词(KeyWords)： 高温;产蛋母鸡;血Ca~(2+);pH值
基金项目(Foundation):
作者(Author): 王润莲,贾汝敏,栾晓峰,李新社
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