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. 2017 Dec 27;12(12):e0190108. doi: 10.1371/journal.pone.0190108

Table 1. Pig welfare evaluation index system framework.

Objective Criterion Index
Evaluation of Pig Welfare (A) Feeding Condition (B1) Safety of Feed (C1)
Drinking Water (C2)
Housing Environment (B2) Density of Breeding (C3)
Waste Disposal (C4)
Disease Prevention and Control (B3) Immune Condition (C5)
Veterinary Staff (C6)
Drug Storage (C7)
Risk Control (B4) Purchase of Agriculture Insurance (C8)
Management and Technology (B5) Application of Breeding Technology (C9)