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Title

A SURVEY OF BIOCHEMICAL SEROM PROFILE OF BROILER CHICKENS INFLUENCED BY MELATONIN SUPPLEMENTATION, INCREASING OF DARK PERIOD ON THEIR ADAPTATION TO HEAT STRESS

Pages

  135-143

Abstract

 BACKGROUND: HEAT STRESS is very important in poultry production.OBJECTIVES: To evaluate the effect of oral MELATONIN supplementation and increasing of DARK PERIOD on BIOCHEMICAL PROFILE of BROILER chickens under HEAT STRESS (HS).METHODS: A total of 200 day-old BROILER (Arian) chicks were randomly allocated in to 4 groups (dark, MELATONIN, negative and positive controls). MELATONIN group received 40 mg MELATONIN/kg diet from 30-40 days of age and chickens of dark group were exposed to a special lighting schedule from 10-40 days of age. All groups (except negative control) were daily exposed to HS (39±1 c) for 6 hours per day from 35-40 days of age. At the end of 6 weeks, body weight was measured. At 30, 35, and 40 days, serum uric acid, glucose, total protein, albumin, globulin, activity of AST and creatinine were measured. Data was analyzed by ANOVA and Tukey test in SPSS software.RESULTS: In 30 days, there was no significant difference between groups. In the day 35, only serum uric acid of MELATONIN group was significantly increased in comparison with negative control. Also, serum uric acid of MELATONIN group increased significantly in 40 days in comparison with other groups, as MELATONIN plays an important role in the antioxidant defense system and uric acid is an important antioxidant in chickens. Serum glucose of positive control compared to other groups significantly increased in 40 days. Other biochemical parameters were not significant. In this study, the mean body weight of dark group was significantly decreased. The percentage of mortality rate in negative control, dark, MELATONIN and positive control treatments was zero, 4, 5 and 10% respectively.CONCLUSIONS: These results demonstrate that DARK PERIOD and oral MELATONIN supplementation can decrease HS.

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    APA: Copy

    KHAKI, Z., HASSANZADEH, M., GHAVAMI, S., MOGHIMI NIAKI, A.A., ATYABI, N., & NADERINEJAD, F.. (2016). A SURVEY OF BIOCHEMICAL SEROM PROFILE OF BROILER CHICKENS INFLUENCED BY MELATONIN SUPPLEMENTATION, INCREASING OF DARK PERIOD ON THEIR ADAPTATION TO HEAT STRESS. JOURNAL OF VETERINARY RESEARCH, 71(2), 135-143. SID. https://sid.ir/paper/35442/en

    Vancouver: Copy

    KHAKI Z., HASSANZADEH M., GHAVAMI S., MOGHIMI NIAKI A.A., ATYABI N., NADERINEJAD F.. A SURVEY OF BIOCHEMICAL SEROM PROFILE OF BROILER CHICKENS INFLUENCED BY MELATONIN SUPPLEMENTATION, INCREASING OF DARK PERIOD ON THEIR ADAPTATION TO HEAT STRESS. JOURNAL OF VETERINARY RESEARCH[Internet]. 2016;71(2):135-143. Available from: https://sid.ir/paper/35442/en

    IEEE: Copy

    Z. KHAKI, M. HASSANZADEH, S. GHAVAMI, A.A. MOGHIMI NIAKI, N. ATYABI, and F. NADERINEJAD, “A SURVEY OF BIOCHEMICAL SEROM PROFILE OF BROILER CHICKENS INFLUENCED BY MELATONIN SUPPLEMENTATION, INCREASING OF DARK PERIOD ON THEIR ADAPTATION TO HEAT STRESS,” JOURNAL OF VETERINARY RESEARCH, vol. 71, no. 2, pp. 135–143, 2016, [Online]. Available: https://sid.ir/paper/35442/en

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