In this research, we used the degree to which a respondent agreed with the statement: “Theindustry should offer sufficient space for extension and appropriate facilities for farm animals to have an appropriate environment.” We used a dummy variable, denoted prodh, for the group of respondents whose agreement scores for the statement were 1, 2, and 3; otherwise, it was set to be 0. Therefore, the reference group included the group made up of respondents whose agreement scores for the statement were 4 and 5.