Various studies demonstrate the potential of protein-reduced feed to reduce ammonia emissions. A one-year trial on two Swiss dairy farms shows how this approach performs in the long term under practical conditions.
People and artificial intelligence (AI) detect reproducible patterns in pig vocalizations, especially during acute distress. Yet an isolated sound rarely reveals the exact situation or whether a pig feels positive or negative.
Is it possible to prepare cattle at home in a way that reduces their stress at the slaughterhouse? In a comparison, prepared animals showed lower cortisol levels during slaughter than control animals.