不同限饲技术对白羽半番鸭母本生产性能的影响和经济效益分析

Influences of Different Restricted Feeding Techniques on Production Performance and Economic Benefits of White-plumage Mule Duck

试验选取9周龄的白羽半番鸭母本1080只,测定6种不同的限饲方法对白羽半番鸭母本育成期生长性能、产蛋期产蛋性能的影响。结果表明:白羽半番鸭母本21周龄的平均体重以T2组最高,为2.86 kg,T1组为2.80 kg,T1与T2组差异不显著,T1组整个时期的生长曲线与其他组相比增长较均衡;而T6组严重偏离其他各组。T1组开产最早,300日龄入舍鸭的平均产蛋量最高,为98.78枚/只,T6组最低为79.27枚/只,此两组差异极显著,T1与T3、T5与T6差异显著,其他各组均差异不显著;T1组产蛋高峰期的持续时间也比其他各组长。以T6组饲料成本最低,T1组饲料成本最高;T1组所获得的经济效益最高。

A total of 1080 9- week- old white- plumage mule ducks were randomly divided into six groups（ T1- T6）,these ducks were restrictedly fed by six different ways till they were 21 weeks old,and the influences of different restricted feeding ways on their growth performance and egg- laying performance were studied. The results indicated that the average body weight of 21- week- old ducks in group T2 was the highest（ 2. 86 kg）,followed by that in group T1（ 2. 80 kg）,but there was no significant difference in average body weight between group T2 and group T1. In the whole period,the growth curve of ducks in group T1 was more equilibrious than that in other groups,while the growth curve of ducks in group T6 seriously deviated from that in other groups. The ducks in group T1 laid earliest. The 300- day- old ducks in group T1 had the highest average egg production（ 98. 78 egg / duck）,while in group T6 had the lowest average egg production（ 79. 27 egg / duck）. The duration of egg- laying peak period of ducks in group T1 was also longer than that in other groups. The feed cost in group T6 was the lowest,while that in group T1 was the highest. The economic benefits of ducks production in group T1 was the highest.