摘要
根据产蛋母鸡的生殖生理和消化生理特点,白天以形成蛋黄和蛋清为主,夜间以形成蛋壳为主,饲料通过消化道的时间为4小时左右,改变传统的一日几餐不变的饲喂方式采用上下午营养分档配料,上午以高蛋白高能量低钙日粮促进排卵及卵黄和卵清的快速形成,下午以低蛋白低能量高钙日粮促进蛋壳的形成,按需供给母鸡的营养,加速蛋的形成过程,提高养鸡效益。试验结果表明,在产蛋高峰期试验组比对照组可提高产蛋率3.06个百分点,差异显著(P<0.05);增加蛋重1.50g,差异显著(P<0.05);每kg蛋饲料成本降低16.02％,差异显著(P<0.05)。在产蛋后期,试验组比对照组可提高产蛋率2.68个百分点,差异显著(P<0.05);增加蛋重1.07g,差异不显著(P>0.05);每kg蛋饲料成本降低6.74％,差异显著(P<0.05)。故产蛋鸡日粮采用上下午营养分档饲喂比传统的饲喂方式可显著提高经济效益,尤其是产蛋高峰期。
The diets of different nutritional level in morning and afternoon was signed acord-ing to paultry physiological characteristics of reproduction and digestion. Morning dietscontained high protein, high energy and low Ca. Afternoon diets contained low protein,low energy and high Ca. Results showed that the laying rate increased by 3.06 per cent(P<0.05)and the feed cost of per killogram egg depressed by 16.02% (P<0.05) in trialgroup during peak period of laying. The trial results during late period of laying wassimilar in laying pertormance to duing peak period of laying (2.68 per cent, 1.07 gram.6.74% respectly).
出处
《河北北方学院学报（自然科学版）》
1997年第4期21-25,共5页
Journal of Hebei North University:Natural Science Edition
关键词
蛋鸡
营养
上午
下午
Hen
Nutrition
Morning
Afternoon
