EFFECT OF FEEDING DIETS SUPPLEMENTED WITH AN ANTIBIOTIC VS PROBIOTIC ON PERFORMANCE OF COMMERCIAL BROILER CHICKEN
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Date
2021
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POULTRY RESEARCH STATION COLLEGE OF VETERINARY SCIENCE & A. H. ANAND AGRICULTURAL UNIVERSITY
Abstract
The experiment was conducted to study the effects of dietary supplementation of
antibiotic and probiotic as an alternative to antibiotic growth promoter on performance of
commercial broilers. Five hundred and forty (540) straight run day-old commercial
broiler chicks were distributed randomly to three treatment groups; each treatment group
consisted of six replicates and each have 30 chicks leading to 180 chicks per treatment.
The experiment was conducted for a period of six weeks. The three treatments were
divided as follows: T1 diet was kept as control (without antibiotic and probiotic), T2 diet
was kept as antibiotic group and T3 diet was kept as probiotic group. In control group
there was no addition of antibiotic and probiotic but in T2 group antibiotic and T3 group
probiotic was added in feed and water. For T2 group in feed Enramycin Hydrochloride 8%
as AGP @ 100 g/ton of feed was added and in water from 2nd to 5th day Neomycin
Sulphate 100 mg + Doxycycline 100 mg @ 10 mg/kg body weight, from 16th to 19th day
Sulphadiazine 200 mg + Trimethoprim 40 mg @ 10 mg/kg body weight and from 30th to
33rd day Enrofloxacin 100 mg @ 10 mg/kg body weight was added and for T3 group in
feed Probiotic Mixture (Bacillus subtilis, Bacillus licheniformis, Bacillus coagulans,
Clostridium butyricum HJCB998) @ 500g/tone of feed and in water from 2nd to 5th day,
16th to 19th day and 30th to 33rd day used Probiotic Mixture (Bacillus subtilis, Bacillus
licheniformis, Bacillus coagulans, Pediococcusacidilactici, Saccharomyces boulardii,
Clostridium butyricum HJCB998) @ 5 g per 100 birds was added.