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OJVRTM
Online Journal of Veterinary Research©
Volume 17 (11):669-674, 2013. Redacted 2017.
Intestinal survival of simple and
microencapsulated Lactobacilus acidophilus:
Response to inulin consumption in broiler chickens
Seyedeh Leila Poorbaghi1* (DVM), Hamid Reza Gheisari2
(PhD), Habibollah Dadras1 (PhD)
1Department(s) of Avian Medicine and
2 Food hygiene, School of Veterinary Medicine, Shiraz University,
Shiraz, Iran
ABSTRACT
Poorbaghi SL, Gheisari HR, Dadras D., Intestinal survival of
simple and microencapsulated Lactobacilus
acidophilus: Response to inulin consumption in broiler chickens, Onl J Vet Res., 17 (11):669-674,
2013. Survival
of simple and microencapsulated probiotics (Lactobacillus acidophilus)
in the intestine of broiler chickens and changes in response to prebiotic
(inulin) consumption was investigated. Six groups of 20 day old Cobb-500 chicks
each received 109 CFU/bird of microencapsulated or simple probiotic
on day 0 and 17 by gavage. Prebiotic was used in rate of 0.1% of food weight,
daily, in drinking water for 35 consecutive days. Fresh fecal sampling was done
on days 20 and 35 and fecal bacteria concentrations were evaluated by using MRS
agar culture. The number of colonies grown on
MRS agar revealed that simultaneous use of simple probiotic and
prebiotic increased survival rate of bacteria compared with each one alone
(5.91Í1011
against 1.5Í1011
and 1.05Í1011
CFU per g of feces, respectively). The number of fecal bacteria in response to
microencapsulated probiotic (9.31Í1011
CFU per g of feces) and microencapsulated synbiotic
(1.14Í1012
CFU per g of feces) increased significantly compared with controls, pre-biotic and
simple probiotic treated groups. The results suggest that microencapsulation of
bacteria may have induced greater bacterial resistance to chemical and physical
conditions in the gastrointestinal tract and increased bacterial survival rate
Key words: Lactobacillus
acidophilus, microencapsulation, inulin, bacterial culture, broiler
poultry.
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