1. Introduction
  1.1 Background
  1.2 Problem Statement
  1.3 Research Objectives
  1.4 Significance of the Study

2. Literature Review
  2.1 Animal Welfare in Agricultural Production Systems
  2.2 Housing Systems and Animal Welfare
  2.3 Conventional Cages
  2.4 Enriched Cages
  2.5 Barn Systems
  2.6 Free-Range Systems
  2.7 Gaps in Current Knowledge

3. Methodology
  3.1 Study Design
  3.2 Selection of Animal Species
  3.3 Sample Size and Allocation
  3.4 Data Collection Methods
  3.5 Variables and Measurements
  3.6 Statistical Analysis

4. Results
  4.1 Descriptive Statistics
  4.2 Comparison of Housing Systems
  4.3 Analysis of Key Welfare Indicators

5. Discussion
  5.1 Interpretation of Results
  5.2 Comparison with Previous Studies
  5.3 Implications for Animal Welfare
  5.4 Limitations of the Study