夏季不同兔舍环境对四川白兔生产性能的影响

Effects of Different Rabbit House Environments on the Production Performance of Sichuan White Rabbits in Summer

本试验旨在研究夏季不同兔舍环境对四川白兔生产性能的影响。随机选取健康的四川白兔初产母兔160只,分别饲养在湿帘负压纵向通风大棚兔舍(试验组)和普通封闭式兔舍(对照组),每个组10个重复,每个重复8只兔。试验结果表明:试验组兔舍的温湿指数(THI)在26.3~27.9之间,显著低于对照组;试验组28日龄断奶个体重降低,但差异不显著(P>0.05)。而试验组的情期受胎率、胎产仔数、胎产活仔数、初生窝重、21天窝重以及断奶成活率均显著高于对照组(P<0.05);试验组的日增重、100日龄体重显著高于对照组(P<0.05);而腹泻率、死亡率以及料重比显著低于对照组(P<0.05);总之,湿帘负压纵向通风大棚兔舍显著降低了兔舍的THI,能够使四川白兔母兔表现出较好的繁殖性能,提高了四川白兔的生长速度和饲料利用效率,降低其死亡率。

The Purpose of this experiment is to study the effects of different rabbit house environments on the production performance of Sichuan white rabbits in summer. A random selection of 160 healthy Sichuan white rabbits, primiparous female rabbits, were reared in a wet curtain negative pressure longitudinally ventilated rabbit house(experimental group) and an ordinary closed rabbit house(control group). Each group had 10 rePlicates, each with 8 replicates rabbit. The test results showed that the temperature and humidity index(THI) of the rabbit house in the test group was 26.3~27.9, which was significantly lower than that of the control group;the 28-day weaning body weight of the test group was reduced, but the difference was not significant(P>0.05).The estrus conception rate, number of fetuses, number of live births, newborn litter weight, 21-day litter weight, and weaning survival rate of the experimental group were significantly higher than those of the control group(P<0.05);the daily gain of the experimental group The body weight of the 100-day-old was significantly higher than that of the control group(P<0.05), while the diarrhea rate, mortality and feed-to-weight ratio were significantly lower than those of the control group(P<0.05);in short, the wet curtain negative pressure longitudinally ventilated rabbit house was significantly reduced. The THI in the rabbit house can make Sichuan white rabbit female rabbits show better reproductive performance, improve the growth rate and feed utilization efficiency of Sichuan white rabbit, and reduce its mortality.