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http://dx.doi.org/10.5536/KJPS.2009.36.4.337

A Study on the Amount and Chemical Compositions of Excreta from Laying Hens  

HwangBo, Jong (National Institute of Animal Science)
Hong, Eui-Chul (National Institute of Animal Science)
Na, Seung-Hwan (National Institute of Animal Science)
Yu, Dong-Jo (National Institute of Animal Science)
Kim, Hak-Kyu (National Institute of Animal Science)
Park, Mi-Na (National Institute of Animal Science)
Jung, Kie-Chul (National Institute of Animal Science)
Choo, Hyo-Jun (National Institute of Animal Science)
Park, Hee-Du (National Institute of Animal Science)
Seo, Ok-Suk (National Institute of Animal Science)
Publication Information
Korean Journal of Poultry Science / v.36, no.4, 2009 , pp. 337-342 More about this Journal
Abstract
This work was conducted to investigate the manure excreta and chemical compositions of layers. Two hundred 1-d-old ISA Brown layers were used in this work, and ten of 200 layers were selected for measurement of manure excreta with feeding phase. Means of the manure excreta per bird, the moisture content of poultry, and the dried manure were $124.7\;{\pm}\;27.5\;g$/bird/day, $76.9\;{\pm}\;1.9%$, and $29.1\;{\pm}\;3.9\;g$/bird/day, respectively. N, $P_2O_5$, and $K_2O$ of manure (55 weeks) were $1.39\;{\pm}\;0.139$, $0.62\;{\pm}\;0.11$ and $0.68\;{\pm}\;0.09%$, respectively. pH, $BOD_5$, $COD_{Mn}$, and suspended solids (SS) were $8.19\;{\pm}\;0.71$, $50,266\;{\pm}\;621\;mg/L$, $62,832\;{\pm}\;803\;mg/L$, and $121,725\;{\pm}\;16,165\;mg/L$, respectively. Heavy metal contents in the manure were $0.003\;{\pm}\;0.0013\;ppm$ for Hg and $0.008\;{\pm}\;0.0012\;ppm$ for Pb, the latter of which was highly low compared with the standard (150 ppm), but no Cd was detected. The results of this work show the average excretion amounts and chemical compositions of layer's manure, which is used as an organic fertilizer.
Keywords
layers; manure; N; $P_2O_5$; $K_2O$; $BOD_5$; $COD_{Mn}$; SS;
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