Five Freedoms in Animal Welfare 五个动物福利原则

According to the Farm Animal Welfare Council, there are Five Freedoms in animal welfare:
1) Freedom from thirst, hunger and male issues
2) Freedom from discomfort due to environment
3) Freedom from pain, injury and disease
4) Freedom to express normal behavior for the species
5) Freedom from fear and distress
This is from http://en.wikipedia.org/wiki/Animal_welfare

中文翻译：
根据农场动物福利委员会所提出的，动物应该享有以下五项自由：

1. 免受饥饿、营养不良的自由
2. 免于因环境而承受痛苦的自由
3. 免受痛苦及伤病的自由
4. 表达天性的自由
5. 免受恐惧和压力的自由
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