Friday, July 27, 2012

Hot humid and dry spell affects livestock at large

Ludhiana-24-July, 2012



Hot, humid but dry spell of present weather not only affects the production of animals but their health also. Dr. A.L. Saini Head of the Department Livestock Production and management, Guru Angad Dev Veterinary & Animal Sciences University, revealed that the suitable temperature for the livestock is 18-27 degree Celsius. He said that due to this type of season animals feel stress so their production dips. Proper management is required to give them a comfortable environment. He said that fulfillment of water intake is very much important. Proper feeding of green fodder is also imperative in this season. Silage may be a good option of fodder. It covers the deficiency of protein. Artificial cooling with big fans or desert coolers is also a comfortable equation. Monson season is breeding and growth season of parasites so open space to come out is also essential for livestock to avoid infectious diseases in a close atmosphere.

Dr. Amarjeet Singh HOD, Animal disease research centre (ADRC) said that In dry weather conditions or scarcity of rainfall with high humidity, chances of accumulating toxic amounts of nitrate, prussic acid (cyanide) and oxalate increases in green fodder. This may convert the nutritious fodder into poisonous stock for the farm animals and deaths may occur in livestock with the consumption of this fodder. Fodder should always be mixed with wheat straw and good quality feed and water ad lib. be provided to the animals. Never introduce new fodder to the hungry animals. Start offering fodder in small amounts in the beginning whenever there is change in the fodder. Feed Napier Bajra when the age of plant is between 40- 65 days. Over-aging may lead to toxicity in animals.

Dr. Pritam Kaur Sidhu of ADRC revealed that Stressful growth conditions (drought and insect attack) may cause cyanide and nitrate to concentrate in the plants like sorghum (chari, bajra) species. Therefore, keep watering the fodder crops so that it doesn't wilt. Wilting increases the amount of nitrate and cyanide in the plant. Avoid spraying of insecticide or herbicide on fodder crops because this tends to increase the accumulation of nitrate, cyanide and palatability of plants. Applying fertilizer (urea) in this weather should be restricted as this may increase nitrate accumulation by plants and increase the risk of nitrate poisoning. Get the fodder tested free of cost from the Toxicology Laboratory, Animal Disease Research Centre, GADVASU before feeding to animals. Collect random samples (mainly stems) from throughout the field, pack them in a good plastic bag and deliver them to the diagnostic laboratory. If possible, keep the sample cool.

She said that whenever animal show unusual symptoms like anorexia, salivation, diarrhea, restlessness, respiratory difficulty, nervous symptoms with normal/ subnormal temperature, rush to local veterinarian or contact Incharge, ADRC (0161-2414030) for advice and further action.




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