MANNHEMIA

Question 1

MANNHEMIA HEMOLYTICA IS ____

Answer 1

OBLIGATE SYMBIOTIC, FACULTATIVE PATHOGENIC IN RUMINANTS

WITH LOW ENVT RESISTANCE

Question 2

MANNHEMIA HEMOLYTIC VIRULENCE FACTORS

Answer 2

LEUKOTOXIN- RTX FAMILY- HEMOLYSIS
TRANSFERRIN BINDING PROTEINS 
ENDOTOXINS-LPS
CAPSULE-ANTIPHAGOCYTOSIS 
FIMBRIAE

Question 3

LEUKOTOXIN

Answer 3

LOW DOSE- OXIDATIVE METABOLISM OF NEUTROPHILS AND MACROPHAGES

HIGH DOSE- LYSIS OF PHAGOCYTES

ONLY EFFECTIVE IN SHEEP AND CATTLE

STRONGLY ANTIGENIC

Question 4

WHERE IS M. HEMOLYTICA FOUND COMMENSALLY IN SHEEP?

Answer 4

NOSE AND TONSILS

ALL SEROTYPES

Question 5

WHERE IS M HEMOLYTICA FOUND COMMENSALLY IN BOVIDS?

Answer 5

NASOPHARYNX AND TONSILS

SEROTYPES 1,2,6

Question 6

BACTERIA BRONCHOPNEUMONIA IN CALVES

Answer 6

ENVT- REGROUPING ANIMALS (KINDERGARTEN FOR COWS)
VIRAL INF
BACTERIAL INF

Question 7

WHAT DOES M HEMOLTYICA CAUSE

Answer 7

FIBRINOUS NECROTIC BRONCHO PNEUMONIA 
GENERAL SYMPTOMS- FEVER, ANOREXIA 
RESPIRATORY DISTRESS 
SEROFIBRINOUS PLEURITIS 
WELL DEFINED PNEUMONIA ZONES IN LUNGS

Question 8

ENDOGENIC INFECTION

Answer 8

STRESS-> MULTIPLICATION IN NASOPHARYNX

Question 9

EXOGENIC INFECTION

Answer 9

EXCRETION OF MH IN HIGH NUMBERS OTHER ANIMALS GET COLONIZED (AEROSOL, CLOSE CONTACT)

Question 10

M HEMOLYTICA VACCINE SHOULD CONTAIN

Answer 10

LEUKOTOXIN, SURFACE ANTIGENS, TRANSFERRIN BINDING PROTEINS

Question 11

IMMUNITY AGAINST M. HEMOLYTICA IS

Answer 11

MAINLY ANTIBODY MEDIATED

Question 12

DIAGNOSIS M HEMOLYTICA

Answer 12

BACTERIAL CULTURE FROM LUNGS, BRONCHOALVEOLAR LAVAGE, NOSE

GET TO LAB FAST! LITTLE ENVT RESISTANCE

Question 13

TREATMENT AND PREVENTION M HEMOLYTICA

Answer 13

VENTILATION, THERMOREGULATION, FEED LOWER ENERGY FEED- STOMACH FERMENTATION, VACCINATION, ABX

Question 14

SHIPPING FEVER - WHAT 2 PATHOGENS

Answer 14

P. MULTOCIDA

M. HEMOLYTICA