Week of 06-Oct-2017

There is an increase of ill thrift and laboured abdominal breathing in the weaners. There were poor response to antimicrobial treatment. Mortality ranges from 6 to 15%. What is the most likely cause of this lesion?

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Results

incorrect answer

The European PRRS strain was detected by RT-PCR with a CT of 21.2.

Results came back negative to Mycoplasma hyopneumoniae (enzootic pneumonia), swine Influenza and PCV-2 by RT-PCR. The unit was vaccinating the weaners against Mycoplasma hyopneumoniae and PCV-2 at weaning. The breeding herd was PRRS positive and was vaccinated with a live attenuated PRRS vaccine. However, weaners were not vaccinated.

The unit had increased from 600 to 1,000 sows recently and it has caused overstocking in the weaning houses.

Week of 13-Jul-2018

Sudden dead is described in growing pigs. There are no other post-mortem findings other than valvular endocarditis. What is the cause of this lesion?

Week of 06-Jul-2018

There is blood stain in the costocondral area affecting the pleura. What is the cause of this lesion?

Week of 28-Jun-2018

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

Week of 21-Jun-2018

Spinal chord compression was detected when inspecting this pig carcass. What is the cause of this lesion?

Week of 14-Jun-2018

The unit has an increase of coughing and poor growth rates. What is the most likely cause of this lesion?

Week of 07-Jun-2018

The vet in the slaughterhouse condemns a sow with this skin lesions under welfare grounds and reports the farmer. What is the cause of these lesions?

Week of 01-Jun-2018

Widespread petechiation and congestion of the lung. What is the most likely cause of this lesion?

Week of 24-May-2018

A weaner pig is laying on its side unable to walk, making paddling movements, eyes rolling and with opisthotonus. What is the cause of the problem in this case?

Week of 17-May-2018

A batch of finishing pigs is presented to the slaughterhouse with skin lesions around the perineal area and lower body parts. What is the cause of this lesion?