specified risk material, BSE, ASF (17 -21)

Question 1

definition of specified risk material in bovine animals

Answer 1

The skull excluding the mandible and including the brain and eyes, and the spinal cord of animals aged over 12 months
• The vertebral column excluding the vertebrae of the tail, the transverse processes of the lumbar and thoracic vertebrae and the wings of the sacrum, but including dorsal root ganglia, and spinal cord of animals aged over 30 months,
• The tonsils and the intestines from the last four meters of SI, cecum and the mesentery of
animals of all ages

Question 2

definition of specified risk material in ovine and caprine animals

Answer 2

• The skull including the brain and eyes, the tonsils, the spinal cord of animals aged over 12 months or which have a permanent incisor erupted through the gum, and
• The spleen and ileum of animals of all ages
• Removed and destroyed by incineration

Question 3

definition of “cohort” in case of confirmation of BSE

Answer 3

• Means a group of bovine animals which were either born in the same herd as, and within 12 months preceding or following the birth of, the affected cattle or reared together with the affected animal at any time during the first year of their life and which may have consumed the same feed as that which the affected animal consumed during the first year of its life

Question 4

official measure in case of confirmation of African swine fever on a holding

Answer 4

⚫ all the pigs on the holding are killed and their carcases
processed
⚫ all contaminated material (meat, semen, ova) or waste
must be destroyed, processed or treated
⚫ cleaning and disinfection of all premises, vehicles and
equipment under official supervision
⚫ meat of pigs slaughtered during the period between the
probable introduction of disease to the holding and the taking of official measures shall wherever possible be traced and processed under official supervision

protection zone (restricted zone I.)
⚫ a radius of at least 3 km
Lifting restrictions: serological survey
⚫ min 15 days

surveillance zone (restricted zone II.)
⚫ a radius of at least 10 km
Lifting restrictions: serological survey
⚫ min 30 days

further restricted zone III

⚫ census of all the holdings
⚫ ban on the movement and transport of pigs
⚫ movement restrictions: products, persons,
vehicles etc
⚫ no markets, fairs etc
⚫ strict cleaning, disinfection, disinsectisation

Question 5

official measures in case of confirmation of classical swine fever on a holding

Answer 5

• All the pigs on the holding are killed & their carcasses rendered
• Any material (meat, perm, ova) or waste likely to be contaminated is destroyed, rendered or processed
• Cleaning & disinfection under official supervision
• Meat of pigs slaughtered during the period between the probable introduction of disease to the holding & the taking of official measures shall wherever possible be traced & processed under official supervision
• Epidemiological inquiry