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International Journal of Poultry Science

.: Home > International Journal of Poultry Science > 2008 > Volume 7 Number 5 > M.A. Elaroussi1, F.R. Mohamed2, M.S. Elgendy3, E.M. El Barkouky1, A.M. Abdou2 and M.H. Hatab1

Ochratoxicosis in Broiler Chickens: Functional and Histological Changes in Target Organs

M.A. Elaroussi1, F.R. Mohamed2, M.S. Elgendy3, E.M. El Barkouky1, A.M. Abdou2 and M.H. Hatab1
1Department of Biological Applications, Nuclear Research Center, Atomic Energy Authority, Abou - Zaabal, Egypt 2Department of Animal Production, Faculty of Agriculture, Cairo University, Cairo, Egypt 3Department of Histology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
Abstract :

This experiment was conducted to evaluate the effects of ochratoxin A (OTA) on the function and histology of the liver, kidney and bursa of broiler chickens fed OTA contaminated rations. Two hundred forty one-day-old male Ross broiler chicks were used, they were randomly divided into 3 dietary experimental
groups of 80 birds and given rations containing 0 (control), 400 or 800 ىg OTA/Kg feed. The chicks were
maintained on these treatments through 5 weeks of age with feed and water available for ad libitum intake
throughout the experimental duration. Dietary OTA contamination at both levels resulted in significant
increase (P<0.05) in the relative weights of kidney and liver and in serum glutamic oxaloacetic  transaminase (GOT), glutamic pyruvic transaminase (GPT), uric acid and creatinine levels in OTA treated birds as compared to the control. A significant decrease (P<0.05) was found in bursa of Fabricius weight, serum antibody (Ab) titres against Newcastle disease virus (NDV) and in serum total protein, albumin and globulin of the OTA treated groups as compared to the control. Histological examination revealed marked
degenerative changes in the kidney and bursa and mononuclear cell infiltration was recorded in the liver of
broilers exposed to OTA contamination. All of the above changes became more evident with the higher OTA
level and with prolongation of experimental period. Therefore, these results indicate that exposure to OTA
at concentration > 400 ppb could adversely affect kidney, liver and bursa function and histology and thus
broiler performance and health.

Keywords :
Broiler, ochratoxin, kidney, liver, bursa of fabricius

Date Deposited : 12 Jul 2011 10:18

Last Modified : 12 Jul 2011 10:18

Official URL: http://www.pjbs.org/ijps/ijps.htm

Volume 7, Number 5, - 2008 , ISSN 1682-8356

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