THE IMPACT OF CHROMIUM-METHIONINE SUPPLEMENTATION ON DECREASING DELETERIOUS EFFECTS OF PHYSIOLOGICAL STRESS IN BROILERS

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BAGHERI VARZANEH MARYAM

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Journal: Journal of Animal Production Year:2017 | Volume:19 | Issue:3 Page(s): 613-625

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Title

THE IMPACT OF CHROMIUM-METHIONINE SUPPLEMENTATION ON DECREASING DELETERIOUS EFFECTS OF PHYSIOLOGICAL STRESS IN BROILERS

Author(s)

BAGHERI VARZANEH MARYAM | Issue Writer Certificate

Keywords

BROILERQ1

DEXAMETHASONEQ1

IMMUNITYQ2

ORGANIC CHROMIUMQ1

STRESSQ1

Abstract

This study was conducted to investigate the effects of chromium-methionine (Cr-Met) supplementation on the blood and immune parameters of BROILER under acute STRESS. A total of one hundred twenty-six BROILERs were allocated to three treatments and three replicates (14 birds per replicate) in a completely randomized design. Treatments were: (1) negative control, i. e. basal diet without STRESS and Cr-Met, (2) positive control: basal diet with STRESS and without Cr-Met, (3) basal diet with STRESS and supplemented with 1000 ppb Cr-Met. STRESS was induced from day 18 by addition of 1. 5 mg DEXAMETHASONE per kg of the diet for one week followed by a withdrawal period until day 46. Blood samples were collected on day 25 and 46 of age. Results showed that STRESS increased blood glucose and lipid concentrations of serum (p<0. 05). The addition of Cr-Met decreased cholesterol, TG, LDL and VLDL on day 25 of age (p<0. 05). However, BROILERs fed Cr-Met had higher TG, LDL, VLDL and less HDL compared to other treatments on day 46 (p<0. 05). Administration of DEXAMETHASONE significantly elevated concentrations of white blood cell (WBC), heterophil (H), and heterophil to lymphocyte ratio (p<0. 05), while these parameters decreased by Cr-Met supplementation on day 25 (p<0. 05). In conclusion, supplemental Cr-Met improved BROILER response to physiological STRESS during the acute STRESS period. However, BROILERs did not benefit from feeding Cr-Met supplementation after DEXAMETHASONE induced STRESS.

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APA: Copy

BAGHERI VARZANEH, MARYAM. (2017). THE IMPACT OF CHROMIUM-METHIONINE SUPPLEMENTATION ON DECREASING DELETERIOUS EFFECTS OF PHYSIOLOGICAL STRESS IN BROILERS. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), 19(3 ), 613-625. SID. https://sid.ir/paper/209041/en

Vancouver: Copy

BAGHERI VARZANEH MARYAM. THE IMPACT OF CHROMIUM-METHIONINE SUPPLEMENTATION ON DECREASING DELETERIOUS EFFECTS OF PHYSIOLOGICAL STRESS IN BROILERS. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE)[Internet]. 2017;19(3 ):613-625. Available from: https://sid.ir/paper/209041/en

IEEE: Copy

MARYAM BAGHERI VARZANEH, “THE IMPACT OF CHROMIUM-METHIONINE SUPPLEMENTATION ON DECREASING DELETERIOUS EFFECTS OF PHYSIOLOGICAL STRESS IN BROILERS,” JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), vol. 19, no. 3 , pp. 613–625, 2017, [Online]. Available: https://sid.ir/paper/209041/en

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