不同垫料对肉用种鸡舍某些环境卫生学指标及其对种鸡生产性能的影响

The Effect of Different Litters on Indexes of Some Environment Sanitation of Henhouse and Productive Perfor mance of Breeding Chickens

本试验用麦草、锯末、黄沙三种垫料铺垫鸡舍,饲养星布罗父母代种鸡,比较不同垫料对鸡舍环境卫生学指标及其对种鸡生产性能的影响。试验结果表明:三种垫料的鸡舍其舍内温度、湿度和垫料温度的差异不显著(P>0.05);麦草和锯末的平均含水率显著高于黄沙(P<0.01);养鸡后舍内空气和垫料中的细菌总数均明显增加,养鸡前后比较差异极显著(P<0.01),不同垫料舍间比较,差异不显著(P>0.05);鸡舍空气中CO_2和NH_3的含量,在养鸡后均明显增加,CO_2含量三个鸡舍无差异(P>0.05),NH_3含量三舍间差异显著(P<0.01),但仍在允许范围内;锯末舍和黄沙舍鸡群死亡率高于麦草舍。本试验结果,对鸡舍垫料的使用具有一定的实际指导意义。

With Starbro breeding chickens, three kinds of litters were studied to compare their effect on the environment sanitation indexes of henhouse and productive performances of birds. The results revealed that no differences were observed in the indexes of temperature and humidity of henhouse and temperature of litters when dried grass, sand and wood-powder were used as litter material(P>0.05), while moisture contained in grass and woodpowder was much higher than that of sand(P<0.01). After rearing, total number of bacteria in the atmosphere and litters increased significantly(P<0.01), bat no significant differences were. observed among different litter materials(P>0.05). The amount of CO_2 and NH_3 measured in atmosphere increased remarkably in all kinds of material littered henhouse. No differences in CO_2 amount was observed in three different littered henhouse(P>0.05) . NH_3 amount in atmosphere was significantly different(P<0.01). But the value of it was still in allowed range. Mortality of the bird population rearing in wood-powder and sand littered house was higher than that of grass littered house.