Chicks (1-d-old, three groups, each containing 50 chicks) were inoculated with 2 x 10(2) and 2 x 10(8) CFU of Salmonella enteritidis; the third group were kept as uninoculated control. Five birds from each group were euthanized at intervals from 6 h to 4 weeks post-inoculation (pi). In the low-dose group S. enteritidis was isolated from 60% cecal samples at 18 h pi, and from 20% of livers at 3 d pi. Individual variation in the frequency of S. enteritidis recovery was observed in this group. The clearance of salmonella from the organs was faster in the low-dose group, and salmonella was not isolated from the liver and cecum at 21 and at 27 d pi, respectively. However, in the high-dose group, S. enteritidis was isolated from all ceca and 80% of liver 6 h pi, and salmonella was detected in the cecum and liver throughout the experiment. Serous typhlitis and unabsorbed yolk sac were the most prevalent lesions in both groups. Granulomatous nodules in the cecum were found occasionally in some cases in both inoculated groups, which can play a role as reservoirs in carrier chicks.

Department of Pathological Anatomy University of Veterinary Medicine 041 81 Kosice Slovakia

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Avian Dis. 1995 Jul-Sep;39(3):567-74 PubMed

Vet Res. 1995;26(2):81-6 PubMed

Avian Dis. 1994 Oct-Dec;38(4):816-21 PubMed

Br Poult Sci. 1996 May;37(2):329-39 PubMed

Vet Rec. 1989 Dec 9;125(24):600-1 PubMed

Avian Dis. 1993 Jan-Mar;37(1):189-93 PubMed

Avian Dis. 1997 Jul-Sep;41(3):559-67 PubMed

Poult Sci. 1995 Jan;74(1):1-7 PubMed

Folia Microbiol (Praha). 1999;44(4):457-60 PubMed

Br Vet J. 1988 Jul-Aug;144(4):403-10 PubMed

Epidemiol Infect. 1989 Dec;103(3):415-23 PubMed

Avian Dis. 1970 Feb;14(1):106-16 PubMed

Vet Rec. 1988 Feb 27;122(9):214 PubMed

Epidemiol Infect. 1990 Feb;104(1):63-71 PubMed

Vet Microbiol. 1997 May;56(1-2):99-109 PubMed

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