Week of 03-Mar-2017

The turbinate lesion is due to:



Correct answer

Observing a transversal cut of the nose, ventral turbinates are moderately and asimetrically reduced in size with a change of the normal features. Lesions are consistant with atrophic rhinitis and different severity could be evident with nasal deviation and asymmetric distortion of the surrounding bone structure, softening of the nasal septum and possible discharges due to secondary infection.

The primary pathologic mechanism is consistent with progressive atrophic rhinitis (PAR), a condition where toxin producing strains of the bacterium Pasteurella multocida (type D), cause progressive inflammation and atrophy of the tissues and nose distortion. PAR could be a serious condition both in weaned and growing pigs where specific control programmes are not implemented. A semi-quantitative scoring system (0-5) could quantify the amount and distribution of the pathological changes.

The pig was one of three from a herd (site 1 and 2)  where specific vaccination program was implemented. No pigs demonstrated external noticeable deformities.

Week of 20-Oct-2017

There is scour, ill thrift and high mortality during the first 8 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 13-Oct-2017

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

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?

Week of 29-Sep-2017

Which disease could cause this type of lesion?

Week of 22-Sep-2017

What is the likely cause of this lesion seen in >10% of lungs in slaughter pigs each week from a breeder feeder farm?

Week of 15-Sep-2017

The ulcer shown is in the preputial diverticulum of an adult boar culled due to persistent haemorrhage in the ejaculate. What is the likely cause?

Week of 08-Sep-2017

This non-fatal scour is seen in piglets from 10 days of age. What is the most likely primary cause?

Week of 01-Sep-2017

Which infectious disease is the most likely cause of the haemorrhages visible on the serosal surfaces of this growing pig which was found dead?

Week of 25-Aug-2017

What is the cause of the liver lesion in this heavily pregnant sow found dead?