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Efficacy of Probiotics on Growth Performance and Hemato-biochemical Parameters in Broiler

Laila Anjuman Banu
Department of Physiology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Afrina Mustari
Department of Physiology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Nazim Ahmad
Department of Physiology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

Cobb-500 broiler chicks were used to study the effects of probiotics on growth performances and haemato-biochemical parameters. A total of fifteen broiler chicks (16 days old) were randomly divided into three equal groups (n=5). Two groups of broilers were fed probiotics at the rate of 0.5 gm/kg and 1gm/kg respectively with commercial feed for 22 days. Chicks fed on only commercial feed were considered as control group. The results showed that broilers treated with probiotics grew faster compared to control group. After having completed the trial, the birds were sacrificed to collect blood sample for hematological and biochemical analysis. Dressed weight, weight of skin including feathers, leg weight, breast weight and liver weight were found higher in treated groups compared to control group. Total erythrocytes count and hemoglobin content were found increased in treated group compared to control group. ESR value was found decrease in treated groups compared to control group. Total cholesterol, triglycerides and HDL was significantly (P>0.01) lower in the treated groups compared to control group. The serum alkaline phosphatase significantly (P<0.01) increased in treated groups.

Keywords: Probiotics, Broiler, Growth performances, Haemato-biochemical

Location: Mymensingh, Bangladesh

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Broiler

Objectives:

To evaluate the comparative effect of probiotics and growth promoter (Antibiotic growth promoter) on the performance and haemato-biochemical parameters of broiler.

Methodology:

The experiment was conducted to investigate the effect of probiotics on Cobb-500 broiler chicks from day 16 to day 38 of age to assess growth performance and some biochemical such as total cholesterol, triglyceride, high density lipoprotein, alkaline phosphatase and hematological parameters as TEC, ESR and Hb concentration. The feeds were purchased from local market. BIO-TOP (Daone Chemicals) is a multi-strain probiotic in dry powder from containing Bacillus subtilis, Bacillus licheni formis, which were used for supplementation of diets. Fifteen broiler chicks of 16 days were randomly divided into three equal groups (n=5). Group A-Control group fed with commercial broiler ration and fresh drinking water, Group B- commercial broiler ration +Bio-TopR (0.5%), Group C- commercial broiler ration + Bio-TopR (1%). Body weight of individual bird was recorded at the beginning and at every seventh day up to the end of experiment. The birds were sacrificed to collect blood sample for hematological and biochemical analysis. The body weight of each bird was measured with the help of electric balance on the day 16 of age (0 day of experiment) and subsequently at every seven days interval up to end of experiment. Total weight gain in % = (Average Final Weight - Average Initial Weight) / Average Initial Weight. Blood from each bird was collected at slaughter. A number of sterile test tubes containing anticoagulant (3.8% trisodium citrate solution) at a ratio of 1:10 were taken. About 5.0 ml of blood was collected for hematological studies. The hematological studies were performed within two hours of collection. About 3 ml of blood was collected in the sterile glass test tube. The blood containing tubes were placed in a slanting position at room temperature. Then the tubes were incubated overnight in refrigerator (4⁰C) and the serum was collected. The sample was centrifuged at 1000 rpm for 15 minutes to have a more clear serum. The serum samples were separated and stored at -20⁰C till analysis. A randomized complete block (RCB) design with more than one observation per cell was applied. The data were collected and the Mean ± SE were calculated by using descriptive statistics. An analysis of variance (ANOVA) table had been constructed with the help of computer package MSTAT for identifying any statistically significant difference among the groups. The mean difference among the treatments was determined as per Dancan's Multiple Range Test (Gomez and Gomez, 1984)

Source of Information: Res. Agric. Livest. Fish. Vol. 6, No. 1, April 2019 : 91-100.

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The research work was conducted to investigate the effect of probiotics on "Cobb-500" broiler chicks to find out growth performances and haemato-biochemical values. Total body weight gain and weight of different organs was higher in treated groups. Moreover Hematological parameters improved in treated groups. Total cholesterol value was higher in control groups compared to probiotic treated groups. Serum triglyceride of treated groups were decreased significantly (p<0.01) compared to control group. HDL value of treated groups were decreased significantly (p<0.01) compared to control group. The Alkaline Phosphatase value was increased significantly (p<0.01) in treated group compare to control. Further study using more birds with more groups along with histo-pathological changes in vital organs should be needed for making conclusions in the use of probiotics in birds.

Knowledge Management: Journal