W173: Stress Factors of Farm Animals and Their Effects on Performance
History Information
From W-135
10/1985: Established
10/1990: Extended
10/1991, 10/1996, 10/2001: Revised Current Project : Oct 2001 ~ 2006
New: 10/06( W1173 ) New: 10/11( W2173 )
Last Modified:
unknown
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