Influence of Salmonella infection in chickens on the outcome of campylobacteriosis in experimental conditions
2011
Stojanov, I., Scientific Veterinary Institute Novi Sad, Novi Sad (Serbia) | Stojanović, D., Scientific Veterinary Institute Novi Sad, Novi Sad (Serbia) | Milić, N., Faculty of Veterinary Medicine, Belgrade (Serbia) | Živkov-Baloš, M., Scientific Veterinary Institute Novi Sad, Novi Sad (Serbia) | Kapetanov, M., Scientific Veterinary Institute Novi Sad, Novi Sad (Serbia) | Ašanin, N., Public Utility Enterprise, Belgrade (Serbia). City Markets | Čogurić, I., Specialistic Veterinary Laboratory, Podgorica (Montenegro)
The goal of this work was to study the role of Salmonella in artificially infected chickens onto the outcome of clinical campylobacteriosis. It is certain that salmonella infection in poultry damages the immune system of chickens, enabling Campylobacter to multiply and subsequently induce a disease. Three groups of chickens were included in the experiment. The first group received a suspension of field strain of Campylobacter jejuni (C. jejuni) and Salmonella enterica serovar Enteritidis (S. Enteritidis). The second group received an inoculum prepared from the field isolate of Campylobacter jejuni and the third group received the field isolate of Salmonella enterica serotype Enteritidis, only. In artificially infected chickens Campylobacter and Salmonella were confirmed by isolation and identification according to morphological, cultural and biochemical properties. Humoral immune response of infected chickens was monitored using the complement fixation test (CFT). In chickens infected with C. jejuni and S. Enteritidis the clinical symptoms were recorded. The results from this experiment show that salmonella infection damages the immune system of the chickens enabling Campylobacter to alter the health status of the host.
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