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Effect of In ovo Injection of Probiotic (Lactobacillus acidophilus) on the Production Performance of Commercial Broiler Chicken

Ravichandran Sivalingam; Kanagaraju Palaniayandi; Kumanan Kathaperumal; Muthusamy Palaniappan; Rathnapraba Sambandam; Srinivasan Gurumoorthy.

An in ovo trial was carried out to investigate the effect of injecting Lactobacillus acidophilus to 18 days old chicken embryo on the production performance of commercial broilers. 720 broiler hatching eggs (Cobb-400) with uniform weight were randomly selected, divided in to 5 groups with 6 replicates of 24 eggs each and incubated under standard conditions. In ovo injection was carried out on 18th day of incubation, out of total 720 eggs, 144 eggs served as non injected control (T1), 144 eggs served as sham control and the remaining 432 eggs (144 for each treatment group) were injected with 0.2 ml of 1x106 Lactobacillus acidophilus (T3), 0.2 ml of 1x109 Lactobacillus acidophilus (T4) and 0.2ml of 1x1012 Lactobacillus acidophilus (T5). The positive control group was injected with 0.2 ml of 0.9% normal saline solution. At hatch, 480 chicks were randomly selected (96 birds in each treatment) with six replicates of 16 birds each as per treatment wise. Data on hatchability, chick weight, body weight, weight gain, feed consumption, FCR and livability were recorded and subjected to statistical analysis. There was no significant difference in per cent hatchability among treatment and control groups. The body weight and weight gain were significantly (P

Key words: In ovo Injection;Lactobacillus Acidophilus;Production Performance;Broilers

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