Abstract
The purpose of this study is to analyse the effect of factors related to animal welfare on pig productivity in Korea. For the normal DEA and bootstrap DEA analysis, MSY was selected as the output variable and 6 items of animal welfare was selected as the input variables. As a result, the production efficiency of CCR model was 0.8613 for DEA and 0.8256 for bootstrap DEA, and the production efficiency of BCC model was 0.9140 for DEA and 0.8845 for bootstrap DEA. And the scale efficiency showed an overall average of 0.9425 for DEA (0.9354 for bootstrap DEA). In the OLS regression analysis, anmimal welfare point as an input factor had negative coefficient. In conclusion, animal welfare efforts have had little effect on MSY in hog farms in Korea yet.
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