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Abstract
Intensie production sy tern mflicrcou iderable tre on. poultry, adv rs ly aff cting lit co t of production, he use of dietary additive.
uch a probioric i gaining momentum becau e oftheir beneficial effe r
011 gr wrb Utile and food efficiency (Dilwol”t’ll and Day 1978)’~~andof
their prevention of inre tinal infection [Fulfer, J992t~. TIle use of
probi tic t promote health and nurriuon /18 been attracting a great deal
of attention for a long time (Gillilalld, 1990)11,
Increased publi concern over the de elopment and pread of
antibiotic re i tance in acteria lind the p . ible pres en e of antibiotic
re iduals ill poultr product have led to earch for alternative to 11 e f
antibiotic ill chicken diet ( oag et. III 20’2)’~, Currently, 111.<”111 partsof
the world lire experimenting alternative feed additiv es that may be \1 ed to
alleviate the problems a ociatedwith the withdrawal of antibiotic from
feed. popular alternative to the use of antibiotic ha been the iu e of
probiotic.\. hich j 11 ed in poultry for ”competitive exclu ion” of
bacterial pathogens (Barrow, 1992)’ ,
he term probiotic originated from the Greek and means ”in favor
of life”. while if antonyms 1 antibiotic which means against life
(Copporla and Tames, 2004t~. Also probiotic are defined as live
mi: roorgani msadmiuisrrated in. adequate amount 10 perform a beneficial
heahh effect n (he hosn Scbivel’a, 2004)11i6.
In chickens. Salmonella, Echerichia coli lind ’ampylobacter. are
the main pathogenic microorgani 111S that colonize the intestinal traer, The
infection doe not cause eriou illness in bird. and production losses lire
not normally very important, However, Salmonella infected chickens
repre enr a ourc of pathogens for humans CRU ing severe illne S and
Thi s is trial version.