摘要
试验旨在研究日粮能量和蛋白质添加水平对蛋鸭生产性能的影响。采用3×3完全随机试验设计,3个能量添加水平(10.8、11.3和11.8MJ/kg)和3个蛋白质添加水平(17.0%、19.0%和21.0%)。选用16周龄的金定蛋鸭432只,随机分为9组,即试验1组(10.8 MJ/kg、17.0%)、试验2组(10.8 MJ/kg、19.0%)、试验3组(10.8 MJ/kg、21.0%)、试验4组(11.3MJ/kg、17.0%)、试验5组(11.3MJ/kg、19.0%)、试验6组(11.3MJ/kg、21.0%)、试验7组(11.8MJ/kg、17.0%)、试验8组(11.8MJ/kg、19.0%)和试验9组(11.8MJ/kg、21.0%),每组4个重复,每个重复12只鸭,试验期90d。结果表明:①日粮中能量的添加水平显著影响蛋鸭平均蛋重(P<0.05),而对采食量和料蛋比的影响均无显著影响(P>0.05);②日粮中蛋白质的添加水平对蛋鸭生产性能的影响差异均不显著(P>0.05);③在本试验添加水平范围内,能量和蛋白质的互作效应未对蛋鸭的生产性能产生影响(P>0.05)。综合认为,在海南地区产蛋期蛋鸭能量添加水平11.3 MJ/kg,蛋白质添加水平17.0%效果较好。
The aim of the study was to investigate the effects of dietary energy and protein levels on production performance of laying ducks. The experiment was designed by 3×3 factorial arrangement with three energy levels （10.8, 11.3 and 11.8 MJ/kg ME） and three protein levels （17.0%, 19.0% and 21.0% P）. A total of 432 sixteen-week-old Jinding laying ducks were randomly allocated into nine treatments, experiment one group （10.8 MJ/kg ME, 17.0% P）, experiment two group （10.8 MJ/kg ME, 19.0% P）, experiment three group （10.8 MJ/kg ME, 21.0% P）, experiment four group （11.3 MJ/kg ME, 17.0% P）, experiment five group （11.3 MJ/kg ME, 19.0% P）, experiment six group （11.3 MJ/kg ME, 21.0% P）, experiment seven group （11.8 MJ/kg ME, 17.0% P）, experiment eight group （11.8 MJ/kg ME, 19.0% P） and experiment nine group （11.8 MJ/kg ME, 21.0% P）, each treatment had four replicates of 12 ducks per replicate, and the experiment lasted for 90 days. The results showed that the average egg weight of laying ducks was significantly effected by the levels of dietary energy （P〈0.05）, and the feed intake and feed/egg weight were not significantly effected by the levels of dietary energy （P〉0.05）. The production performance was not significantly effected by the levels of dietary protein （P〉0.05）. In the adding level range of experiments, interactions of energy and protein didn＇t affect the production performance of laying ducks （P〉0.05）.It was suggested that 11.3 MJ/kg ME, and 17.0% P in dietary were suitable for Jinding laying ducks in Hainan.
出处
《中国畜牧兽医》
CAS
北大核心
2013年第12期81-84,共4页
China Animal Husbandry & Veterinary Medicine
基金
海南省科学事业费项目(琼财预[2008]137号)
关键词
蛋鸭
能量
蛋白质
生产性能
aying ducks
energy
protein
production performance
