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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Correct 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 11-Jan-2019

What is the name of this parasite?

Week of 03-Jan-2019

This image of a cross-section of a pig lung is characteristic of a pneumonia caused by:

Week of 27-Dec-2018

What pathogens are involved?

Week of 21-Dec-2018

Which lesions are present in this lung?

Week of 29-Nov-2018

Most of the pigs in this pen have dark coloured over the skin. What is the cause of this condition?

Week of 23-Nov-2018

A number of weaners died suddenly within the first 4 weeks post-weaning. All them have oedema of mesocolon at post-mortem examination. What is the most likely cause of this lesion?

Week of 15-Nov-2018

Which pathogen causes this lesion?

Week of 02-Nov-2018

What lesion is seen?

Week of 25-Oct-2018

A sow is found with skin lacerations in the pen. What is the cause of this condition?