Tuberculinisation Flashcards
1
Q
what type of diagnostic method is it?
A
immunological method
- allergology method (one)
2
Q
how to do the individual skin test for bovine
A
- on the left side of neck
- 5cm 2 shaved and thickness is measured
- tuberculin applied intradermally 0.1mL
- after application - palpate site and check if applied properly
3
Q
assessment of reaction the the tuberculin skin test is based on:
A
- clinical examination of the swelling at the site of intradermal application of tuberculin
- clinical examination of the regional LN
- measuring the thickness of a skin fold using a cutimeters at the site of application of tuberculin
4
Q
negative reaction
A
- limited swelling
- skin fold is less than 2mm
5
Q
positive reaction
A
- clinical signs of inflammation
- skin fold greater than 4mm
6
Q
doubtful reaction
A
- skin fold is greater than 2mm but less than 4mm
7
Q
what do you do for positive and doubtful individual skin test reaction?
A
test using comparative intradermal test (avian and bovine)
8
Q
how to carry out comparative intradermal test for cattle
A
- on right side
- cut 4-5cm 2 in size
- measure thickness
- apply avian tuberculin intradermally and bovine tuberculin 15cm lower
- palate site of application
assess reaction after 72 hrours
9
Q
after comparative intradermal test and there’s positive and doubtful what happens?
A
slaughter
10
Q
tuberucliinatoin of goats
A
- all goats older than 12 months where there’s also dairy cattle tested every year
- same s in cattle
11
Q
tuberculiinsation of pigs
A
- application of tuberculin on dorsal side of ear at site where skin of head joins the ear
- assess after 48 hours
12
Q
positive reaction of pigs
A
- inflammed swelling
- erythema sometimes necrosis
- central necrosis is dominant sign of hypersensitivity
13
Q
how are horses tested
A
same way as cattle
