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Epidemiological studies on salmonella in a certain area walcheren the netherlands project 5. studies into the possibility of fattening pigs free from salmonella


, : Epidemiological studies on salmonella in a certain area walcheren the netherlands project 5. studies into the possibility of fattening pigs free from salmonella. Zentralblatt fuer Bakteriologie Mikrobiologie und Hygiene 1 Abt Originale A 252(4): 490-506

Four trials are described which examined whether pigs could be raised free from Salmonella infection under practical farm conditions. One pigsty on a Salmonella contaminated farm was used, in which the following hygienic measures were taken: purchase of Salmonella-free piglets, use of properly pelletized feed, thorough cleansing and disinfecting of the pigsty and prevention of environmental contamination. Despite these precautions, it is impossible to obtain Salmonella free pigs. In 3 of 4 experiments, a massive Salmonella infection occurred among the pigs. A number of contamination vectors might have caused the epizootic. These infection routes were available because of errors in administration of the hygienic measures, indicating the difficulty in meeting hygiene requirements under farming conditions. Two of the trials also included investigations of the slaughtering period. Apparently, transportation and waiting time in the slaugherhouse provided many opportunities for contamination of the pigs, despite extensive cleaning and disinfecting of the truck and the lairages.

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Oosterom, J.; van Erne, E.H.; van Schothorst, M., 1982: Epidemiological studies on Salmonella in a certain area ("Walcheren Project") V. Studies into the possibility of fattening pigs free from Salmonella. It has previously been demonstrated that it is possible, under experimental conditions, to produce Salmonella-free pigs for slaughter if several hygienic measures are taken, such as purchase of Salmonella-free piglets, use of properly pelleted fee...

Oosterom, J.; van Erne, E.H.; van Schothorst, M., 1981: Epidemiological studies on Salmonella in a particular area ('Walcheren Project'). V. Studies on the possibility of fattening pigs free from Salmonella. Four trials were made to study the possibility of fattening pigs free from Salmonella under field conditions. One pig-sty on a Salmonella-contaminated farm was used in these studies. Previous studies had shown that Salmonella-free fattening pigs c...

Oosterom, J.E.ne, E.-Van; Schothorst, M.V.n, 1981: Epidemiological studies on Salmonella in a particular area (Walcheren Project). V. Studies on the possibility of fattening swine free from Salmonella. Tijdschrift voor diergeneeskunde5, 106(12): 599-612

Oosterom, J.; Erne, E.H.W. van; Schothorst, M. van, 1981: Epidemiological studies on Salmonella in a particular area (Walcheren project). V. Possibility of rearing pigs free from Salmonella. Four attempts were made to fatten pigs free of Salmonella infection, by isolating them under special conditions in a particular pen of a Salmonella-contaminated farm. In spite of the use of Salmonella-free pigs, rigorous disinfection of the pen, t...

Edel, W.; Kampelmacher, E.H., 1976: Epidemiological studies on salmonella in a certain area (Walcheren project). II. Presence of salmonella in the mesenteric lymph nodes and rectal contents of normal pigs slaughtered in Walcheren. During a period of twelve months, 7756 pigs slaughtered on the former Isle of Walcheren were examined for Salmonella, which was detected in 22.3%. Fifty different serotypes were isolated, two of these (S. menhaden and S. mikawasina) being isolated...

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