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Grain feeding and the dissemination of acid-resistant Escherichia coli from cattle

Diez-Gonzalez, F. (Cornell University, Ithaca, NY.) ; Callaway, T.R ; Kizoulis, M.G ; Russell, J.B

Science (American Association for the Advancement of Science), 1998-09, Vol.281 (5383), p.1666-1668 [Periódico revisado por pares]

Washington, DC: American Association for the Advancement of Science

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Título:
Grain feeding and the dissemination of acid-resistant Escherichia coli from cattle
Autor: Diez-Gonzalez, F. (Cornell University, Ithaca, NY.) ; Callaway, T.R ; Kizoulis, M.G ; Russell, J.B
Assuntos: AGENT PATHOGENE ; ALIMENTACION DE LOS ANIMALES ; ALIMENTATION DES ANIMAUX ; Animal Feed ; ANIMAL FEEDING ; Animal Husbandry ; Animal, plant and microbial ecology ; Animals ; Bacteria ; Bacteria, Anaerobic - growth & development ; BEEF ; Biological and medical sciences ; BOVIN ; CARNE DE RES ; CATTLE ; Cattle - microbiology ; Colon - chemistry ; Colon - microbiology ; Colony Count, Microbial ; Contamination ; Culture Media ; Diet ; Edible Grain ; ENFERMEDADES TRANSM POR ALIMENTOS ; ESCHERICHIA COLI ; Escherichia coli - growth & development ; Escherichia coli infections ; Fatty Acids, Volatile - analysis ; Feed research ; FOIN ; Food and nutrition ; FOOD SAFETY ; FOODBORNE DISEASES ; FOODBORNE ILLNESS ; Fundamental and applied biological sciences. Psychology ; GANADO BOVINO ; GRAIN ; GRANOS ; HAY ; Health aspects ; HENO ; HOSTS ; HOTE ; HUESPEDES ; Hydrogen-Ion Concentration ; INNOCUITE DES PRODUITS ALIMENTAIRES ; INOCUIDAD ALIMENTARIA ; Lactic Acid - analysis ; MALADIE TRANSMISSIBLE PAR ALIMENT ; Microbial ecology ; Normal microflora of man and animals. Rumen ; ORGANISMOS PATOGENOS ; PATHOGENS ; Poaceae ; Random Allocation ; RESERVOIR HOSTS ; Rumen - chemistry ; Rumen - microbiology ; Succinates - analysis ; SUPERVIVENCIA ; SURVIE ; SURVIVAL ; VIANDE BOVINE
É parte de: Science (American Association for the Advancement of Science), 1998-09, Vol.281 (5383), p.1666-1668
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Descrição: The gastric stomach of humans is a barrier to food-borne pathogens, but Escherichia coli can survive at pH 2.0 if it is grown under mildly acidic conditions. Cattle are a natural reservoir for pathogenic E. coli, and cattle fed mostly grain had lower colonic pH and more acid-resistant E. coli than cattle fed only hay. On the basis of numbers and survival after acid shock, cattle that were fed grain had 10(6)-fold more acid-resistant E. coli than cattle fed hay, but a brief period of hay feeding decreased the acid-resistant count substantially
Editor: Washington, DC: American Association for the Advancement of Science
Idioma: Inglês

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Grain feeding and the dissemination of acid-resistant Escherichia coli from cattle

Diez-Gonzalez, F. (Cornell University, Ithaca, NY.) ; Callaway, T.R ; Kizoulis, M.G ; Russell, J.B

Washington, DC: American Association for the Advancement of Science

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