Week of 13-Apr-2018

The weaner pig on the left is pale when compared with a normal weaner on the right. These pale pigs are slow growing. What is the cause of the problem in this case?



Correct answer

Eperythrozoon suis was reclassified in 2002 as Mycoplasma suis, but the disease it causes is still known as swine eperythrozoonosis. It is a sporadic disease, usually observed in young, growing pigs, characterized by lethargy, fever, anorexia, anemia and, in severe cases, by jaundice.

Confirmation was made by demonstrating the organism in blood smears stained with Wright-Giemsa stain. The organism was found on the surface of erythrocytes.

Week of 12-Oct-2018

The whole litter of piglets is trembling and shacking. What is the cause of this condition?

Week of 04-Oct-2018

A carcass is split in half and an abscess is found in the spine and burst. What is the cause of this lesion?

Week of 28-Sep-2018

A number of finishing pigs have ulcerative pododermatitis on the lateral side of their feet which causes lameness. What is the cause of this lesion?

Week of 20-Sep-2018

Some gilts and sows have died suddenly during the last few months with no apparent clinical signs of disease. There is haemoperitoneum and splecnomegalia at post-mortem examination. What is the cause of mortality?

Week of 14-Sep-2018

Some finishing pigs are found with swelling of the tails with blood. What is the cause of it?

Week of 07-Sep-2018

A piglet is born alive with 6 legs. What is the cause of this finding?

Week of 31-Aug-2018

A lactating sow is found with widespread raised rhomboid lesions on the skin. What is the most likely cause of this lesion?

Week of 24-Aug-2018

Dead pigs with cyanotic ears and lower and distal parts of the body are found in one room of a flat deck accommodation. Some pigs are alive but dope. What is the cause of this condition?

Week of 17-Aug-2018

A sow is reluctant to walk. At inspection of the foot, a claw is warm, painful and there is a crack. What is this lesion?