0.1 Introduction

1.1 Conception of animal welfare

1.2 Understanding animal welfare

2.1 Animal sentience

2.2 Ethical consideration of animal welfare

2.3 Aimal welfare and animal right

3.1 Assessing animal welfare

3.2 The welfare of farm animal

3.3 The welfare of laboratory animal

3.4 Assessing practice for sheep welfare

4.1 Animal welfare and core values of socialism

4.2 Animal welfare and ecological civilization

4.3 Animal welfare legislation

4.4 Animal welfare and human welfare