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Influences of Prebiotic on Growth Performance and Hemato-biochemical Parameters in Broiler During Heat Stress

S. Hasan
Department of Physiology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensing-2202, Bangladesh

M. M Hossain
Department of Anatomy, Histology and Physiology, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka

A. Miah
Department of Anatomy, Histology and Physiology, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka, Bangladesh

M. E. R. Bhuiyan
Department of Physiology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensing-2202, Bangladesh

Abstract/ Executive Summary:

The study was carried out to investigate the effect of prebiotic on growth performance, hematological (TEC, Hb, PCV, ESR) and biochemical (Cholesterol, Uric acid) parameters in broilers during high environmental temperature. A total of 30, at 7 days old (Cobb-500) broilers were randomly divided into 3 groups (n=10). Broilers held at 35±2°C temperature and 70±5% relative humidity were considered as heat stressed those kept at 25 ± 2°C and relative humidity 60 ± 5% were considered as normal. Normal control group (NE-T) was provided with the normal diet. Heat stressed groups consisted of HS-A as provided with normal diet; HS-B provided with the normal diet with 0.2g prebiotic (A-MOS). The results revealed that supplementation of prebiotic significantly (p<0.01) increased the live body weight as compared to heat stressed but without prebiotic supplement. The highest weight gain was recorded in normal control group (1623.00e±7.176 gm) and the lowest weight gain was recorded in HS-A as heat stress group (1303.00e ± 4.899 gm). The hematological parameters (TEC, Hb, PCV, ESR) were also significantly (p<0.01) varied in comparison to the both control. The uric acid a biochemical parameter varied significantly (p<0.05) among groups. Therefore, it is may be concluded that prebiotic is helpful for the maintenance of broilers performance under heat stress condition.

Keywords: Prebiotics, Growth performance, Blood parameters, Heat stress, Broilers

Location: Poultry farm, BAU and laboratory of the Department of Physiology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202

Start Date: 28-07-2013

End Date: 31-08-2013

Program Area: Animal Health and Management

Commodity: Chicken

Objectives:

To investigate the effect of prebiotic on growth performance, hematological (TEC, Hb, PCV, ESR) and biochemical (Cholesterol, Uric acid) parameters in broilers during high environmental temperature.

Methodology:

The study on effects of prebiotic on growth performance and hemato-biochemical parameters in broilers during high environmental temperature condition was carried out in poultry farm, BAU and laboratory of the Department of Physiology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202, during the period from 28^th July, 2013 to 31^th August, 2013.

Experimental design
A total of 30, day old Cob-500 strains were collected from Renata Hatchery. At day 7, broiler chicks were randomly divided into 3 treatment groups. Each group contains or 10 which is correct birds. Birds were housed in 3ft x 2ft floor pens on fresh rice husk litter with a 24-h lighting plan. The height of litter was 3 cm. Before being used in the experiment, birds were adapted for 7 days in order to acclimatize in the environment. The collected birds have neither developmental disorders, detectable genital diseases nor other diseases that may cause any problem in the experiment or affect the result of the experiment.

Normal control group (NE-T) - Normal feeding & watering with normal environmental temperature (T= 25 ± 2°C, RH=60 ± 5%) daily up to 5 weeks under normal condition.
Heat stress control group (HS-A) - Normal feeding & watering daily up to 5 weeks during high environmental temperature (T= 35 ± 2°C, RH= 70 ± 5%).
Heat stress prebiotic group (HS-B) - Normal feeding & 0.2g Active-mannan oligosaccharide in per liter of drinking water as prebiotic daily up to 5 weeks during high environmental temperature (T= 35 ± 2°C, RH= 70 ± 5%).

Blood collection
After 5 weeks, blood sample was collected aseptically from wing vein to test of effects of prebiotic on RBC, Hb, PCV, and ESR from 3 birds in each group (9 birds). Three (3) ml of blood was collected from each bird at a time and transferred to a labeled of sterile test tube containing anticoagulant 4% sodium citrate at a ratio of 1: 10. The hematological studies were performed within two hours of blood collection.
Statistical analysis
During the study period the data on daily feed intake and weekly body weight gain were recorded of each bird. The mean differences among the treatments were determined as per Duncan’s Multiple Range Test using MSTAT.

Source of Information: Bangl. J. Vet. Med. (2014). 12 (2): 121 - 125 ISSN: 1729 - 7893 (Print), 2308 - 0922 (Online)

Article Link (Online Journal): http://www.banglajol.info/index.php/BJVM/article/view/21273/14601

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The present findings showed that when supplementation of prebiotic in broilers during high environmental temperature the body weight increased significantly (p<0.01) among the treated groups and suppress the stressful condition. When supplementation of prebiotic in broilers during high environmental temperature the hematological parameters (TEC, Hb, PCV, ESR) significantly (p<0.01) varied from both control groups. The significantly increased (p<0.05) hematological parameters (TEC, Hb, PCV, ESR) of broilers under heat stress condition in experimental groups may due to the stimulating effects of prebiotic on hemopoitic organs. There are some prebiotics which are essential for normal growth of the hemopoitic organs and erythropoiesis. The given prebiotics (A-MOS) may stimulate the hemopoitic organs and causes erythropoiesis results increase the hematological parameters during high environmental temperature. At the time of supplementation of prebiotic in broilers during high environmental temperature, the biochemical parameters like uric acid significantly (p<0.05) increased in treated groups than control groups and there was no significant (p>0.05) difference among groups for serum cholesterol.

Knowledge Management: Journal