Progress is visible in policies like California’s Proposition 12, which mandates minimum space requirements for breeding pigs, calves, and egg-laying hens, effectively banning the sale of products from ultra-confined environments. 2. Biomedical Research and Testing
Recent studies have shown that it isn't just mammals that experience complex emotions. Birds exhibit problem-solving skills, octopuses show distinct personalities, and even some insects appear to experience states similar to chronic pain. As the "circle of compassion" expands through scientific discovery, the legal protections for these animals are beginning to follow. 3. Major Challenges in the Modern Era Factory Farming