Efficiency of Kaolin and Activated Charcoal to Reduce the Toxicity of Low Level of Aflatoxin in Broilers

(Hashim Mohammed Ali asked Abdul Salam h)

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Abstract

Kaolin and activated charcoal were incorporated at 0.5% in diet to evaluate their ability to reduce the deleterious effects of 30 ppb total aflatoxin (AF) in broiler chicken. A total of 320 one-day old broiler chicks were divided into 4 equal treatment groups (control, AF contaminated, AF plus kaolin and AF plus activated charcoal). Chicken fed on diet containing 30 ppb AF for 45 days showed a significant decrease in live body weight and body weight gain with 20% mortality rate. Adition of kaolin and activated charcoal to the AF contaminated diet at 0.5% level reduced the mortality rate and improved body weight gain and efficiency of feed utilization. Histopathologicaly, the livers of birds of all groups except the control one showed focal hepatic necrosis, biliary epithelial hyperplasia, and granulomas. Pathological changes were highest among AF treated group. No AF residue could be detected in liver, breast, thigh and heart muscles in all birds
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