MORTALITY FROM HEAT-STRESS IN BROILER-CHICKENS INFLUENCED BY ANTICOCCIDIAL DRUGS

  • 1 January 1980
    • journal article
    • research article
    • Vol. 59  (11) , 2421-2423
Abstract
The relationship of anticoccidial drug to heat stress mortality in broilers was studied in a replicated floor-pen experiment during a period of hot weather in Georgia [USA]. Overall mortality during the 8-wk study averaged 6% in unmedicated and monensin-medicated birds or lasalocid-medicated birds, 10% in arprinocid-medicated birds and 36% in nicarbazin-medicated birds. Most of the death losses were attributed to heat stress. Maximum death losses coincided with 3 periods of hot weather, when the birds were 22, 33 or 49 days old. Of 114 dead birds in the nicarbazin treatment, 68 were male and 46 were female.

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