Infx Dz's of Wild Mammals

Question 1

Rabies

Answer 1

single stranded rhabdoviridae RNA virus that comes in dumb and furious forms and is transmitted by saliva with no pre mortem test or treatment

Question 2

Canine distemper

Answer 2

• Effects raccoons, grey foxes, coyotes
• epithelialtropic: attacks cells of resp tract, GI and eyes
• proliferation of footpad epithelium

Question 3

Sarcoptic mange

Answer 3

sarcoptes scabei

• red foxes and coyotes
• alopecia, flaky dry material on fur, pruiritis, weakness

Question 4

hemorrhagic disease

Answer 4

• biting midges culicoides spp. vector
• acute/chronic dz white tailed deer
• oral cyanosis, edema, hemorrhage at base of pulmonary artery
• chronic lesions: sloughing of hoof walls, rumen ulcers, loss of rumen papillae
• late summer, early fall

Question 5

Tuberculosis

Answer 5

mycobacterium bovis

• deer spillover to cattle
• small nodules in chest cavity, swollen lymph nodes
• Dx: with single cervical test by intradermal inj of tuberculin
• prevent by decrease in deer densities

Question 6

CWD

Answer 6

• Prions effecting elk, deer, moose
• incubates 12-18 months or 3-5 years
• abnormal behavior, low head/ears, emaciation, staggering
• DX: presence of prions in obex and retropharyngeal lymph nodes

Question 7

Meningeal Worms

Answer 7

P. tenuis, nematode of white tailed deer that doesn’t show clinical signs unless in exotic species such as llamas. Adult worms live on the surface of the brain

Question 8

Plague

Answer 8

yersinia pestis, maintained in the flea-rodent cycle. Prairie dogs and ground squirrels are hosts and felids and black footed ferrets are susceptible non rodent hosts. Its transmitted by flea bites

Question 9

white nosed syndrome bats

Answer 9

fungal hyphae on external surfaces with emaciation and low bcs indicating poor health