By Scout Nelson
Livestock raised in pasture can experience heat stress just as easily as animals in feedlots. High temperatures, humidity, light winds, and warm nights make it harder for cattle and other livestock to cool themselves. Farmers should prepare before a heat wave arrives to protect animal health and reduce production losses.
Ben Beckman, Nebraska Extension Educator, emphasizes that proper planning is one of the best ways to reduce the effects of heat stress. Simple management practices such as providing clean water, maintaining shade, improving airflow, and reducing stress during hot weather help livestock stay healthy and productive.
Water is the most important need during hot weather. Livestock drink much more water when temperatures rise. Farmers should inspect water tanks before a heat event begins. Tanks should remain clean, refill quickly, and provide enough drinking space so animals do not crowd together. Crowding around water increases body heat and makes animals more uncomfortable.
Shade is another important tool for reducing heat stress. Trees provide natural shade, but they can cause livestock to gather too closely in one area. When possible, water sources, shade, and grazing areas should be spread across the pasture. This helps animals stay cooler while reducing damage to grass caused by heavy traffic.
Good airflow also helps livestock cool naturally. Pastures with open areas usually provide better air movement than locations surrounded by trees or low valleys. Farmers should observe where animals spend their time and make sure they have enough room to spread out during hot weather.
Fly control is also important. Large numbers of flies cause livestock to bunch together, spend less time grazing, and become more stressed. Effective fly management helps improve animal comfort and supports better pasture performance.
Farm work should also be planned carefully. Moving, hauling, or handling livestock during the hottest hours of the day increases heat stress. These activities should be completed early in the morning when temperatures are lower and animals are calmer.
Farmers should watch for warning signs such as open-mouth breathing, heavy drooling, restlessness, crowding around water or shade, and animals standing closely together.
FAQs
- How can farmers reduce heat stress in pasture cattle?
Farmers can provide clean water, shade, airflow, and avoid handling animals during peak heat.
- Why is airflow important for grazing livestock?
Good airflow helps animals lose body heat and stay comfortable in high temperatures.
- How does heat stress affect livestock production?
Heat stress can reduce grazing, slow weight gain, and lower overall productivity.
- What should farmers do before a heat wave begins?
They should inspect water supplies, check shade availability, and prepare cooling strategies.
- What are common signs of heat stress?
Open-mouth breathing, heavy salivation, bunching, and crowding near water or shade are common signs.
Photo Credit: gettyimages-jacqueline-nix
Categories: Nebraska, Livestock, Beef Cattle, Dairy Cattle, Weather