Changes

Jump to navigation Jump to search
1,333 bytes added ,  18:26, 17 May 2008
no edit summary
Line 3: Line 3:       −
*''B. abortus'' occasionally in [[Joints - inflammatory#In Cattle|arthritis of cattle]]
  −
  −
  −
*Isolated from closed cases of [[Bursae and Tendons - inflammatory#Poll Evil and Fistulous Withers|Poll Evil and Fistulous Withers]]
      
===Overview===
 
===Overview===
Line 64: Line 60:  
**Decreased fertility in cows and bulls; decreased milk production  
 
**Decreased fertility in cows and bulls; decreased milk production  
 
**Localisation in spleen and lymphatic tissue of non-pregnant animals
 
**Localisation in spleen and lymphatic tissue of non-pregnant animals
 +
**Occasionally causes [[Joints - inflammatory#In Cattle|arthritis]]
 +
*Isolated from closed cases of [[Bursae and Tendons - inflammatory#Poll Evil and Fistulous Withers|Poll Evil and Fistulous Withers]] in horses
 
*Caprine and ovine brucellosis:
 
*Caprine and ovine brucellosis:
 
**Caused by ''B. melitensis''
 
**Caused by ''B. melitensis''
Line 83: Line 81:  
*Porcine brucellosis:
 
*Porcine brucellosis:
 
**Caused by ''B. suis''
 
**Caused by ''B. suis''
**
+
**Prolonged bacteraemia
 +
**Chronic inflammation in reproductive organs of boars and sows; also in joints and bones
 +
**Routes of infection: ingestion or venereal
 +
**Abortion, still birth, neonatal mortality, temporary sterility
 +
**Boars excreting bacteria in semen may have testicular abnormalities or be normal
 +
**Lameness, incoordination and posterior paralysis in joint and bone involvement
 +
**Rose Bengal and indirect ELISA for diagnosis
 +
**Test and slaughter where exotic
 +
**Modified live ''B. suis'' vaccine
 +
*Canine brucellosis:
 +
**Caused by ''B. canis''
 +
**Rough therefore lower virulence - mild or asymptomatic infections
 +
**Abortions, decreased fertility, reduced litter sizes, neonatal mortality
 +
**Orchitis and epididymitis causing infertility in male dogs
 +
**Infertility may be permanent if chronic infection
 +
**Slide agglutination, ELISE, agar gel immunodiffusion
 +
**Neuter infected animals
 +
*Human brucellosis:
 +
**Susceptible to ''B. abortus, B. suis, B. melitensis'' and ''B. canis''
 +
**Transmission via contact with secretions from infected animals
 +
**Routes of infection: skin abrasions, inhalation, ingestion
 +
**Unpasteurised milk source of infection
 +
**Undulant fever - fluctuating pyrexia, malaise, fatigue, muscle and joint pains, osteomyelitis
 +
**Can become chronic
 +
**''B melitensis'' and ''B. suis'' cause most severe infections
 +
**Antimicrobials
 +
 
     
462

edits

Navigation menu