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Explore the biology, care and technology behind dairy farming.
Dairy cows provide milk used in products such as cheese, butter and yogurt. Their production supports food supplies and the livelihoods of farming communities around the world.
Dairy cows are cattle bred primarily for milk production. Their well-developed udders and metabolic adaptations support lactation over several months, unlike the primary purpose of beef cattle.
Holstein, Jersey, Guernsey and Ayrshire are common dairy breeds. Milk production depends on mammary glands synthesizing milk from nutrients absorbed through digestion.
A balanced feeding program provides energy, protein, vitamins and minerals. High-quality forage and concentrates can support milk yield, while rations should reflect lactation stage and body condition.
Milk production generates income for farmers and contributes to local economies and international trade. Products such as specialty cheeses and milk powders can diversify farm revenue.
Mastitis, lameness, ketosis and milk fever can reduce milk yield and affect cow welfare. Heat stress and poor housing may worsen health problems and reduce reproductive efficiency.
Adjust rations to support production and reproductive health, and monitor body condition to avoid underfeeding or obesity. Keep clean water available to support hydration and milk production.
Automated milking lets cows visit milking machines voluntarily. The systems collect data on milk yield, quality and cow health, while software can help farmers manage herds more precisely.
Feed represents about 50–60% of dairy farm expenses, followed by labor, veterinary care and infrastructure maintenance. Tracking these costs can help farmers find savings and plan investments.
Dairy farming depends on understanding cow biology, providing sound care and managing costs. Best practices and technology can help address health and environmental challenges while supporting sustainable milk production.
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