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垫料除臭法:每平方米地面用0.5公斤硫黄拌入垫料铺垫地面,可抑制粪便中氨气的产生和散发,降低鸡舍空气中氨气含量,减少臭味。

吸附法:利用木炭、活性炭、煤渣和生石灰等具有吸附作用的物质吸附空气中的臭气。方法是用将木炭装入网袋悬挂在鸡舍内或在地面上适当撒一些活性炭、煤渣、生石灰等。

生物除臭法:研究发现,很多有益菌(如EM)可以提高饲料蛋白质利用率,减少粪便中氨的排量,可以抑制细菌产生有害气体,降低空气中有害气体含量。

化学除臭法:在鸡舍内地面上撒一层过磷酸钙,可减少粪便中氨气散发,降低鸡舍臭味。具体方法是按每50只鸡活动地面均匀撒上过磷酸钙350克。另外,将4%的硫酸铜和适量熟石灰混在垫料中,也降低鸡舍空气臭味。

中草药除臭法:将艾叶、苍术、大青叶、大蒜等按等份适量放在鸡舍内燃烧,既可抑制细菌,又能除臭,在空舍时使用效果最好。

(孙小格)