Missing minimum questions for exam 2024

Question 1

Definition of IBR-virus free bovine herd

Answer 1

1. No confirmed cases for the last 12 months
2. For the past 2 years, there has been no vaccination againts IBR
3. a blood, milk or meat juice sample taken from each bovine animal over a period of not more than 12 months

OR

4. blood, milk or meat juice samples taken on at least two occasions at an interval of 2 -12 months from_
- all female bovine animals over 12 months of age
AND
- all male bovine animals used or intended for breeding over 12 months of age
AND
- a random sample of male animals not intended for breeding over 12 months of
age.

Topic 15

Question 1

Definition of officially enzootic-bovine-leukosis-free herd

Answer 1

1. No clinical/laboratory evidence of EBL in the herd and no confirmed cases in the last 24 months
2. All animals over 24 months have tested negative in the last 12 months to 2 tests carried out at least 4 months apart
3. any animals introduced into the herd:
- Come from an officially free herd
- Comes from an establishemnt where there has been no evidence of EBL within the 24 months prior to their dispatch and:
1. all animals over 24 months of age reacted negatively to a test on two occasions at an
interval of not less than 4 months while kept in isolation; or have been subjected to a
serological test, with a negative result, within 30 days prior to their introduction
2.all animals less than 24 months of age were born to dams, that have been subjected
to a serological test for EBL, with negative results, carried out on samples taken
during the past 12 months on two occasions at an interval of not less than 4 months
4. all germinal products of bovine animals introduced into the establishment originate from establishments free from EBL; or from an approved germinal product establishments

Topic 14

IMPORTANT !!

Question 2

Maintenance of IBR-virus free status in bovine herd

Answer 2

Non-vaccinated:
1. General requirements must continue to be met

2. Seronegative results from blood/milk/meat juice annually of all bovine animals older than 24 months (bulk milk: 3 samples at least 3 months apart)

3. Introduction of animals must originate from IBR-free herds OR obtain 2 seronegative test results at least 21 days apart

Vaccinated:
1. All animals older than 6 months tested every 12 months

2. Tested before slaughter

3. Dairy: testing of milk every 6 months

4. Test aborted animals 3-6 weeks after abortion

5. Introduction of animals must originate from IBR-free herds OR obtain 2 seronegative test results at least 21 days apart

Topic 16

Question 3

Definition of specified risk material in bovine animals

Answer 3

1. The skull excluding the mandible and including the brain and eyes, and the spinal cord of animals aged over 12 months

2. 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

3. The tonsils and the last four meters of the small intestines the caecum and the mesentery of animals of all ages

Topic 17

Question 4

definition of specified risk material in ovine and caprine animals

Answer 4

1. The skull including the brain and eyes, the tonsils, the spinal chord of animals aged over 12 months or which have a permanent incisor erupted through the gum

AND

2. The spleen and ileum of animals of all ages.

Topic 18

Question 5

definition of “cohort” in case of confirmation of BSE

Answer 5

1. 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

2. 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

Topic 19