Control of Salmonella enteritidis in Sweden

摘要: The Swedish control of Salmonella, with special reference to Salmonella enteritidis, in poultry is described. directed at all serotypes and imported grandparent chickens are controlled, which considered be the main reason why Sweden so far not found involved worldwide spread different phagetypes S. enteritidis. However, this has initiated a more stringent layers as earlier existed broilers. Since 1990, 90% layer flocks voluntarily tested for before slaughter by bacteriological examination pooled faecal samples. If enteritidis isolated flock destroyed. This test, addition two similar tests during production mandatory January 1st, 1994. voluntary programme also been extended parents hatcheries since 1991. Only heat-treated feed given rearing period its use becoming gradually common period. 1987, four have infected phagetype 4 one 6. During 1970-1984, broilers were bacteriologically slaughter, 1984 such flocks. As result other controls, from 1972. Based on governmental regulation 1961, introduced large epidemic 1953, runs an active, official (Wierup et al., 1992).(ABSTRACT TRUNCATED AT 250 WORDS)