تاثیر کلیستین سولفات داخل دان بر روی کنترل آلودگی با سالمونلا انتریتیدیس در یک مزرعه پرورش مرغ گوشتی

تاثیر کلیستین سولفات داخل دان بر روی کنترل آلودگی با سالمونلا انتریتیدیس در یک مزرعه پرورش مرغ گوشتی

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The effect of colistin sulfate on reducing Salmonella enteritidis (S.enteritidis) infection in broilers and contamination from broiler carcasses was evaluated.40000 birds in two separate houses were considered.

Colistin sulfate was added in to the feed of the test group as 100g containing 1,200,000IU/ton of feed for the whole period (56 days).To isolate S.enteritidis, samples were taken from different parts of the intestine and cultured in Selenite broth and then on SS chiggate.com agar plates.

The suspected colonies were isolated and identified by biochemical and serological tests.It is conducted that the addition of the above mentioned amount of this antibiotic in to the wilds of eldraine prerelease guide broiler feed could decrease the rate of the infection of flocks and contamination of carcasses with S.enteritidis.

The results also indicate that due to addition of colistin sulfate, the live weight gain increases by 14% and the feed conversion rate improves by 8% in this study.