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. 2015 Nov 5;8:571. doi: 10.1186/s13071-015-1191-9

Table 6.

Draft cattle enterprise gross margin calculation per household

Item description Value (USD)
• Income from draft oxen power (including the value of home labor saved) 297
• Other components of draft oxen output 34
Total livestock output 331
• Variable costs 86
Total gross margin from using draft oxen 245