To investigate the acute oral toxicity of N, O-carboxymethyl chitosan in chicken and evaluate the security of the drug;

研究N，O-羧甲基壳聚糖对鸡的急性毒性，评价该药的安全性；

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Organic-inorganic granular fertilizer made of chicken manure powder plus N, P, K chemical fertilizers and microelements B, Zn, Mn, et al.

利用鸡粪为主体原料配以N、P、K化学肥料和硼、锌、锰等微量元素制成便于贮藏、运输和使用的有机-无机颗粒肥。

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