Deodorization of pig feces by fungal application

被引：7

作者：

Kim, TI ^{[1
]}

Ham, JS ^{[1
]}

Yang, CB ^{[1
]}

Kim, MK ^{[1
]}

机构：

[1] Natl Livestock Res Inst, Rural Dev Adm, Suwon 441350, South Korea

来源：

ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES | 2004年 / 17卷 / 09期

关键词：

Candida rugosa; Candida maris; volatile fatty acids; pig feces;

D O I：

10.5713/ajas.2004.1286

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

This study was carried out to screen yeasts effective in reducing odor from pig feces. Three isolates from soil and compost sources were selected to treat pig feces. On the basis of morphological and biochemical characteristics, one isolate from compost was Candida rugosa, and two isolates from soil were Candida rugosa and Candida maris. These isolates showed deodorizing activity by reducing the concentration of NH3 and R-NH2. Volatile fatty acids (VFA) are the specific malodorous compounds of pig feces, and the Candida maris from soil showed a 100% reduction of butyric, iso-butyric, and iso-valeric acid in 10% pig slurry medium. However, the Candida rugosa from compost showed a 100% reduction of butyric and iso-butyric acid while that from soil showed a 100% reduction of propionic, butyric acid and iso-valeric acid in the medium. Also, these yeasts were effective in reducing NH4-N, soluble-N, and biological oxygen demand (BOD).

引用

页码：1286 / 1290

页数：5

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