Nitrite poisoning does still occur in modern pig facilities, even more with the presence of the biological air treatment.
The farmer contacted the veterinary surgeon concerning an increase of subcutaneous haemorrhages and bruises in the skin of several piglets in eight different litters. No deaths have yet been attributed to the problem.
Once the first symptoms of the infection emerged in pigs the facility was locked and the possibility to get in from outside was the only used.
This article shows the different measures taken and the strategy followed to eradicate PEDv in a commercial farm: stabilization, creation of a disinfection bubble, monitoring and verification.
We were called for clinical problems on weaners that appeared a few days after a feed transition in a farrow-to-finish farm: swelling of the eyelids and forehead, incoordination, dyspnea and sudden death.
The owner contacted us because he has seen a reduction in performance in recent months, although no decline has been identified in any particular parameter. He says that, overall, “the sows are doing worse".
This case report highlights the importance of a comprehensive approach to achieve a correct differential diagnosis.
This case study describes an outbreak in a commercial unit which proved difficult to stop without vaccine. Since 2014 an increasing number of cases of this disease have been reported in Europe though it remains unclear why it has reappeared.