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Titolo:
Environmental and food safety aspects of Escherichia coli O157 : H7 infections in cattle
Autore:
Rasmussen, MA; Casey, TA;
Indirizzi:
ARS, Periparturient Dis Cattle Res Unit, Natl Anim Dis Ctr, USDA, Ames, IA50010 USA ARS Ames IA USA 50010 es Unit, Natl Anim Dis Ctr, USDA, Ames, IA50010 USA ARS, Preharvest Food Safety & Enter Dis Res Unit, Natl Anim Dis Ctr, USDA,Ames, IA 50010 USA ARS Ames IA USA 50010 es Unit, Natl Anim Dis Ctr, USDA,Ames, IA 50010 USA
Titolo Testata:
CRITICAL REVIEWS IN MICROBIOLOGY
fascicolo: 2, volume: 27, anno: 2001,
pagine: 57 - 73
SICI:
1040-841X(2001)27:2<57:EAFSAO>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEMOLYTIC-UREMIC SYNDROME; DAIRY-CATTLE; BEEF-CATTLE; ENTEROCYTE EFFACEMENT; HEMORRHAGIC COLITIS; BACTERIAL PATHOGENS; MYCOBACTERIUM-AVIUM; FINISHING RUMINANTS; SEROTYPE O157-H7; VIBRIO-CHOLERAE;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
121
Recensione:
Indirizzi per estratti:
Indirizzo: Rasmussen, MA ARS, Periparturient Dis Cattle Res Unit, Natl Anim Dis Ctr, USDA, POB 70, Ames, IA 50010 USA ARS POB 70 Ames IA USA 50010 SDA, POB 70, Ames, IA 50010 USA
Citazione:
M.A. Rasmussen e T.A. Casey, "Environmental and food safety aspects of Escherichia coli O157 : H7 infections in cattle", CR R MICROB, 27(2), 2001, pp. 57-73

Abstract

The presence of E. coli O157:H7 in cattle illustrates the complex, interrelated nature of the environment, livestock production practices, food safety, and the science of microbiology, particularly microbial ecology. Enterohemorrhagic E. coli, including E. coli O157:H7, can cause severe human diseases that can be debilitating and life threatening. Cattle are currently considered to be the definitive source for E. call O157:H7 in the food supply,but this view may be simplistic and incomplete. E. coli O157:H7, appears widespread among U.S. cattle herds, while individual animal prevalence is low and transient. Most individual animals appear to be a transient reservoirfor E. coli O157:H7 although the issue of carrier animals still remains unresolved. Epidemiological studies of the cattle production system have not clearly identified risk factors or management practices that affect E. coliO157:H7 prevalence in cattle feces. The problem of E. coli O157:H7 increases during the summer and fall months, but the environmental factors that contribute to this increase are poorly understood. Possible environmental factors that may influence E. coli O157:H7 shedding in cattle include livestock feed and waste handling practices as well as insects and microbial interactions in soil and water. Studies of E. coli O157:H7 ecology in cattle and the environment have been limited, but they suggest that a consideration ofother independent, environmental sources of this microbe seems appropriate. The natural ecology of cholera may serve as a useful environmental model for pursuing additional environmental research on the occurrence and transmission of E. coli O157:H7 in nature.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 21/09/20 alle ore 12:39:21