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APHA disease Surveillance report headlines
Uncommon presentation of Salmonella Dublin infection in calves
Monepantel resistance in a sheep flock
Fowl cholera in geese
Focus on small-scale pig producers and disease surveillance
Highlights from the scanning surveillance network
Salmonella Dublin osteomyelitis
An uncommon manifestation of an infectious disease was investigated at the APHA Shrewsbury veterinary investigation centre (VIC). Two euthanased male suckler calves were submitted a few weeks apart from unrelated Powys herds for postmortem examination. They were three and four months old and from herds of 60 and 70 animals, respectively.
Over a period of several weeks, each calf first became slightly lame on one foreleg, followed by increasing weakness of both forelegs. They spent more time lying down and had difficulty rising on their forelegs. The hindlegs were unaffected, with normal strength and tone. They remained bright and continued to suckle their dams although restricted by being recumbent. Various antibiotics, NSAIDs and steroids had been given with no improvement.
There were similar postmortem findings in both calves. Removal of the spinal cord identified swelling of the underlying bone and cartilage at the level of the sixth cervical vertebra with protrusion dorsally into the spinal canal (Fig 1).
About this report
This report is produced each month by the APHA Surveillance Intelligence Unit and the six Species Expert Groups (livestock and wildlife). The international horizon-scanning summaries are produced by the Defra/APHA International Disease Monitoring (IDM) team, notifiable disease reports by the APHA Veterinary Exotic and Notifiable Disease Unit (VENDU), and threat analysis by the cross-agency Veterinary Risk Group (VRG). The report is drawn from scanning surveillance information, data and reports produced by the APHA veterinary investigation centres and non-APHA partner postmortem examination providers contributing to the Veterinary Investigation Diagnosis Analysis (VIDA) database and complying with standardised diagnostic and laboratory testing criteria. Other livestock and wildlife scanning surveillance reports may also be found at www.gov.uk/government/collections/animal-disease-surveillance-reports
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