Actinobacillosis - Pig Flashcards

Question	Answer		Article
What causes actinobacillosis in pigs?	Actinobacillus suis - a beta-haemolytic Gram-negative bacterium.		[[Actinobacillus suis Introduction|Link to Article]]
Is actinobacillosis a zoonosis?	It is not considered a zoonosis but there has been a report of human infection after a pig bite		[[Actinobacillosis - Pig Introduction|Link to Article]]
What herds are more susceptible to A.suis?	High health status herds with lower immune challenges.		[[Actinobacillosis - Pig Signalmet|Link to Article]]
What environmental factors can exaccerbate this disease?	Temperature fluctuation High humidity Mixing of pigs of different ages Overcrowding Genetic make up and immune status can also influence infectivity rate and clinical signs. l4		[[|Link to Article]]
What age ranges of pigs are affected by this disease?	The disease affects suckling, weanling and fattening pigs, and adult pigs and it is thought that it colonisesmin piglets within the first three weeks of life.		Link to Article
What clinical signs can be associated with actinobacillosis?	Clinical signs vary from fever, lethargy, depression, erysipelas-like lesions, abscesses, haemorrhage, vomiting/regurgitation and lameness and multiple joint swelling. More serious cases progress to pneumonia (clinical signs similar to [[Actinobacillus pleuropneumoniae#Clinical Signs		Link to Article
How is BSE diagnosed?	Observation of clinical signs Postmortem and the presence of bilateral symmetrical vacuolation in the grey matter Western Blot Test (detection of PrPRes) Elisa Test		Link to Article
What are the most important control measures for BSE?	The 1988 feed ban prohibiting the feeding of ruminant derived meat and bone meal (MBM) to ruminants Post mortem testing schemes Culling of infected cohort animals		Link to Article
Is BSE a zoonosis?	Yes, there is evidence to suggest that humans are at risk of developing variant Creutzfeldt-Jakob Disease (vCJD)from eating BSE infected meat.		Link to Article
What measures have been put in place to reduce the risk of humans developing variant Creutzfeldt-Jakob Disease (vCJD)?	All visible nervous and lymphatic tissue that are classified as specified risk materials (SRM) are removed during the processing of cattle The removal of any suspect animals from the human food chain. In 1996, cattle over the age of 30 months were eliminated from the food chain within the UK under the ‘over thirty months scheme’ (OTMS). This ban has now been lifted and it is now compulsory to test all cattle over the age of 48months for BSE.		Link to Article
What are the specified risk material (SRM) for cattle?	Brain Eyes (retina) Trigeminal ganglia Spinal cord Dorsal root ganglia Mesentery Intestines (duodenum to rectum) Tonsils		Link to Article