Week of 22-Dec-2017

Sucking pigs develop swollen joint in the legs from 3 weeks of age. What is the most likely cause of this lesion?

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incorrect answer

Streptococcus suis serotype 2 was isolated from this joint.

The cause of joint ill is bacterial infection of the piglet, pre-weaning. The majority of cases are caused by opportunist infection from the environment with, for example, E. coli, Staphylococci and Streptococci. There are specific infectious agents that can produce outbreaks of joint ill (and meningitis) like in this case.

Week of 19-Jan-2018

Some pigs have swollen ears and walk with their heads tilted to one side. What is the most likely cause of this lesion?

Week of 12-Jan-2018

There is scour, ill thrift and high mortality during the first 4 weeks post-weaning. All post-mortemed pigs had the same gross lesions, as the one seen in the picture. What is the most likely cause of this lesion?

Week of 05-Jan-2018

Small intestine opened during a routine check in the slaughterhouse: what can we see?

Week of 29-Dec-2017

This pig has a mass protruding from behing. What is the most likely cause of this lesion?

Week of 15-Dec-2017

There is an outbreak of sudden deaths, inappetence, high fever and cough in pigs from 10 weeks old to slaughter. Inspection of the lungs in the post-mortemed pigs detects necrotising pneumonia in the diaphragmatic lobe and pleurisy. What is the cause?

Week of 08-Dec-2017

There is an increase in subcutaneous haemorrhages and bruises in the skin of piglets from 7 days of age, after being born normal. Mortality was high after few days of developing the clinical signs. What is the most likely cause of this lesion?

Week of 01-Dec-2017

Piglets are born with a swollen and reddish vulva. What is the most likely cause of this lesion?

Week of 24-Nov-2017

This sow has been weaned 2 weeks ago and has this lesion on the shoulder. What is the most likely cause of this lesion?

Week of 17-Nov-2017

This is a pig with a swollen abdomen. What is the most likely cause of this lesion?