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Regional & Seasonal

Guides on northern dairy, southern dairy, seasonal calendar and arid & intensive.

Northern Dairy

Guides in this section are being added.

Southern Dairy

• Heat Stress in Dairy Cows: Signs, Causes and CoolingHolsteins make heat as they make milk. Fans, shade, water and sprinklers keep them producing when the temperature climbs.

Seasonal Calendar

• Autumn vs. Spring Calving Holsteins: Production Trade-OffsCalving season changes heat exposure, breeding performance and the shape of the lactation curve.

Arid & Intensive

• The Temperature-Humidity Index (THI) and Your Holstein Herd: When Heat Stress Starts Costing You MoneyTHI turns temperature and humidity into one number, but the threshold that matters depends on your cows and your barn.