P.V. NARSIMHA RAO TELANGANA VETERINARY UNIVERSITY
RAJENDRANAGAR,HYDERABAD
Summer Management
Constant exposure to high ambient temperature causes a rise in rectal temperature, a decline in feed intake, an increase in water intake, a decrease in milk production, changes in milk compositions, reduction in growth rate and even loss of body weight and lowered fertility.
The following factors are important in managing the animals during summer.
  • Ensure that the animals are kept under shades. The most effective source of shade is trees. If shade trees are not available, thatched roof of a minimum height of 9 feet should be provided. Agri-nets with 20% perforation are also useful. If facilities are not available with the individual farmers, facilities available at the village shall be used by the community.
  • Thatching the roof with materials like paddy straw etc, painting the roof with white paint or, providing a false ceiling insulation will help provide a cooler environment.
  • Create barriers against hot wind using thatched wall or wet gunny cloth/ gunny bags.
  • Ensure one ventilator of 3 x 1 feet per cow in covered shed. In these sheds heavy duty fan is best option to facilitate ventilation.
  • Misting/Fogging of water in the microenvironment of the animal at least thrice in an hour along with provision of fan is useful in hot dry weather. Auto Mister/ Fugger with mini pumps and cyclic timers are preferable.
  • Summer stress can also be managed by spraying/ sprinkling water directly on the body of animals for a period of 1 to 5 minutes at an interval of 10- 30 minutes. Fans/ blowers should be used to induce evaporation from the skin of animals. With a provision of fan this method can work both in hot dry and hot humid condition.
  • The most effective way of combating heat stress in buffalo is wallowing in the water pond.
  • Ensure adequate round the clock drinking water to animals, which should be provided under shade.
  • Feeding should be practiced during early morning, evening &night.
  • Prefer grazing during early morning & late evening hours to avoid the scorching heat.
  • Ration density may be increased so as to provide same nutrients at reduced dry matter intake. Diets with low-fibre and high fermentable carbohydrate have lower dietary heat increment compared to high fibre diets.
  • Ensure increased mineral supplementation during hot weather to meet the increased demand of minerals. Potassium rich mineral mixture should be preferred.