Livestock and poultry diversify a farm's income and provide a food reserve that isn't tied to a single growing season. Poultry, layers for eggs and broilers for meat, and small ruminants like goats and sheep are common entry points for small-scale farmers because they require less land and capital than cattle. Good housing protects animals from predators, weather, and disease, while a balanced feeding program combining grains, forage, and clean water is the single biggest driver of growth rate and egg or milk production. Routine vaccination and quick isolation of sick animals are the most cost-effective ways to prevent disease outbreaks from wiping out a flock or herd.