A survey of manure management on pig farms in Northern Vietnam
A survey of manure management on pig farms in Northern Vietnam
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DOI:
10.1016/j.livsci.2007.09.008
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发表时间:
2007-12-01
影响因子:
1.8
通讯作者:
Dang, T. T. S.
中科院分区:
文献类型:
--
作者:
Vu, T. K. V.;Tran, M. T.;Dang, T. T. S.
Animal manure can provide nutrients for crop and fish production and input for biogas production but, if managed inappropriately, can also have a negative impact on the environment. The objective of this survey was to provide information about pig production and manure management practices in the Northern part of Vietnam in order to identify and prioritize research needs for future improvements in pig manure management. A survey was conducted by in-depth interviews on 54 pig farms in two Northern Vietnamese provinces, Thai Binh and Bac Giang. In addition to the survey, also key informant responses were obtained in the two provinces to help identify problems with existing manure management. The survey showed that large-scale pig producers (>100 fatteners or 20 sows) had more pigs per hectare than medium-scale (19-99 fatteners, 5-19 sows) or small-scale (