E. coli bovines canines felines Flashcards
What are the E. coli diseases in Bovines
ETEC
EPEC and EHEC
septicemia
Calfs
ETEC
Calfs older than one week E. coli?
EPEC & EHEC
Neonate calfs that didn’t get their mothers colostrum?
Septicemia
Virulence Factors of ETEC Bovine
Fimbrial F5 (most common) F41 (freq w/ F5) F17- role unclear CS31A- role unclear- DIARRHEA OLDER ANIMALS
Toxins
Sub type A & B
Pathogenesis ETEC Bovine
Oral uptake
Multiplication
Enterotoxin Production
(Secondary septicemia)
What causes ETEC in cows?
Colostrum- too little too late too few in antibodies
Dx of ETEC in Bovines
Elisa
Culture + Virulence factors (agglutination or PCR)
Tx of ETEC in bovines?
Separate ill animals
Hydration
Antibiotics
NSAIDS
Bovine ETEC milking farm Tx
Hygiene- separate calfs from cows.
Colostrum- of multi parts animals
EHEC and EPEC bovine Genes Age of illness signs zoonotic? therapy?
EPEC- eae EHEC-eae + VT 1-8wks muccoid diarrhea +/- Blood large intestine Zoonotic (O157:H7) Antibiotics
Only one slide of info on Dz
Mastitis bovines E. coli details?
No virulence factors known
DDx: Gram+/Gram-
Gram- w/ fever
Freq lost udder quarter
Prevention: hygine
Tx: systemic Antibiotics
E. coli septicemia virulence factors for bovines
Serum resistance Iron uptake systems endotoxin capsule Adhesion factors (P, F17, Afae-VIII, CS31A) CNF1, CNF2toxins
Septicemia bovines hyperaccute?
Acute mortality
Shock
Acute septicemia bovines
General symptoms
Fast mortality