EFFECT OF SUPLEMENTAL ORGANIC CHROMIUM IN THE DIET ON SOME PHYSIOLOGICAL TRAITS OF THREE BROILER STRAINS UNDER HEAT STRESS•

H. Al-Mashhadani, Essa; A. Ali, Emad

	EFFECT OF SUPLEMENTAL ORGANIC CHROMIUM IN THE DIET ON SOME PHYSIOLOGICAL TRAITS OF THREE BROILER STRAINS UNDER HEAT STRESS•
iraqi poultry sciences journal
Article 1, Volume 2, Issue 3, 2007, Pages 167-177
Authors
Essa H. Al-Mashhadani; Emad A. Ali
Abstract
An experiment was conducted at the Poultry Farm, Animal Science Dept., College of Agriculture, University of Baghdad from 12/4/2004 to 8/8/2004 to study the effect of adding organic chromium Cr+3 to the diet on some physiological parameter of three broiler strain. A total of 450 day-old chicks (150/ strain) were randomly distributed to three dietary treatments of organic chromium 0, 150 and 300 ppb/kg diet. Each treatment contains two replicate floor pens (25 birds / pen) from each strain. Results indicated that there was no significant interaction between organic chromium levels and strain at 4 and 8 weeks of age. Birds received 150 and 300 ppb organic chromium had significantly (P<0.05) higher red blood cell, packed cell volume and hemoglobin concentration. At 8 weeks of age hetrophil to lymphocyte ratio was significantlt (P<0.05) declined for the birds that received 150 ppb organic chromium in their diet. There was a significant decline in cholesterol level at 4 and 8 weeks of age in the bird that were fed 150 or 300 ppb organic chromium as compared with the control. Glucose levels for the birds that were fed 300 ppb organic chromium was significantly (P<0.05) lowered than the control. It could be concluded from the result of this study that supplementing organic chromium did have a beneficial effect on physiological parameters for birds raised under summer condition in Iraq.

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