Feild Necropsy Flashcards
What are a few key principles to remember in reference to field necropsy?
We are all trained to perform one
State labs may be far away
Overnight shipping is a blessing
Why is it beneficial to use the lab in your state if possible?
Using the lab in your state may be subsidized and cheaper
What are some of the differences between field necropsy and diagnostic lab necropsies?
On farm, less bio secure (keep away from other animals and know your samples may not be pure), will not have as many instruments, try to sample as clean as possible, need to have an area to dispose of it and will need to know what samples to take, store and submit
What are some things that are critical to getting the necropsy response you want?
Collecting and submitting a good history, collect health first then sick or dead, make sure you wear protection, prelabel bags, plan for disposal and disinfection
What are some supplies you should have?
Sharp knife, sharpening steel, saw, scissors, scapple holder and blade, forceps, specimen container/whirl pack, formalin, PPE
What PPE should you wear?
Gloves, boots, coveralls (googles, splash protection, respirator
What are some good procedures to follow when necropsying?
Collect blood before euthanizing
Lay on same side and direction, do external exam first, fresh and sterile samples first, be systematic, breadloaf thick organs, open tubular organs, 3-6cm or startburst sized, record findings (location)
What samples? What tests?
Beef producer with >5% aboriton in 2rd trimester over 3 week period - no feed, management or environment changes IDed.
Placenta, Fetus, Blood from mom
-liver, lungs, kidney, spleen,
Abortion Pannel: Lepto, Brucella, IBR, Neospora
What samples? What tests? More history?
Swine 6 week old pig with fever, depression, lethargy, respiratory disease. all pigs sick and many died
HX: New introductions? change management or employees? Out of country?
Sample: Lung, liver, spleen, kidney
Test: African swine fever, PRRS, Septicemia
What samples? What tests?
Calves from sale barn, droopy ears, dull eye, fever 10. Treat but continue coughing and 2 die.
Samples: Lungs, liver, kidney, Ear Notch (BVD)
Test: Respiratory panel (IBR, BVD, BRSV, PI3), mycoplasma bovis, manhemia haemolytica
How do you know what lab to use, which tests are available and which ones to select?
Call the lab (zoonotic call state vet)
Is accreditation important?
Yes! The have standards!
Who regulated biological samples?
IATA
What category are all veterinary specimens considered?
Infectious substance category B
Your sample must be ___ packaged.
Tripple - leak proof primary, secondary and firm outer ridge (Pass drop test 1.2 meters)
