Effects of probiotics on broilers exposed to Salmonella typhimurium

Yıl 2007, Sayı: 1, 1 - 10, 08.05.2007

Serpil Kefalı Nezir Yaşar Toker

Öz

Effects of probiotics
(Broilact, Bioplus 2B), which are used as an alternative to antibiotics and
chemical growth promoters, on broilers that were exposed to Salmonella
typhimurium (S. typhimurium) lipopolysaccharide (LPS) were studied. For
this purpose, 150 chicks for control group and 150 chicks for test group were
used resulting in a total of 300 Ross line broiler chicks. Each of control (C)
and test (T) group animals are further divided in to 3 subgroups as Check, Bro
and Bio. Test subgroups (T­Check, T­Bro, T­Bio) received 3 ml ofS.
typhimurium LPS intraperitonally (IP). T­Check animals received LPS only
while T­Bro received Broilact, a commercial probiotic, via drinking water on
day 1 after hatching only, and  T­Bio
animals received Bioplus 2B, another commercial probiotic, via feed during the
42­day study period. Control subgroups were not exposed to LPS but C­Bro and C­Bio
received probiotics same as the test subgroups (T­Check, T­Bro and T­Bio).
Effects of probiotics on the immune response of chickens against S.
typhimurium LPS were followed by slide agglutination test using
Salmonella "O" antigen. Results indicated that
percentage of Salmonella (+) animals increased in test subgroups
after LPS exposure. No difference was found between Broilact and Bioplus 2B in
regard to inhibiting Salmonella and supporting broiler's health. 

Anahtar Kelimeler

Broyler, Salmonella typhimurium, lipopolisakkarit, probiyotik

Kaynakça

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