Abstract
A study was conducted at Avian Research Station, Thiruvazhamkunnu to study the effects of dietary supplementation of postbiotics derived from probiotic culture of Lactobacillus plantarum on growth performance and carcass characteristics of broiler chicken from day-old to 42 days of age. A total number of 180, day-old chicks were randomly allotted into six dietary treatment groups, viz., T1, T2, T3, T4, T5 and T6 having three replicates of ten birds each, in a completely randomised design. The birds in control group (T1) were fed with a standard broiler ration (SBR) formulated as per BIS (2007).The treatment group T2 were fed with the SBR containing chlortetracycline. Diets for T3 to T6 were formulated by inclusion of 0.15 per cent postbiotic (T3), 0.3 per cent postbiotic (T4), 0.45 per cent postbiotic (T5) and 0.6 per cent postbiotic (T6), respectively.Supplementation of 0.45 per cent postbiotic exhibited significantly (p<0.01) higher body weight, bodyweight gain and cumulative bodyweight gain than control group at six weeks of age. The feed intake, feed conversion ratio and carcass characteristics showed no significant change among the treatment groups. Keywords: Postbiotics, Lactobacillus plantarum, body weight, carcass
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