6. Parasitic diseases of Rabbits

Question 1

Etiology of hepatic coccidiosis in rabbits

Answer 1

Eimeria stiedae

Question 2

Where does Eimeria stiedae inhabit?

Answer 2

Bile duct epithelium

Question 3

C/s of hepatic coccidiosis

Answer 3

Young: death without clinical signs
Adult: Liver pathology with associated bloodwork abnormalities

Question 4

Pathology of hepatic coccidiosis

Answer 4

Hepatomegaly with white, flat nodules or cords on surface of liver

Question 5

Hepatic coccidiosis tx

Answer 5

Sulfa-based antibiotics
Good vermin prevention
Eliminate fecal/oral spread

Question 6

Two most pathogenic intestinal coccidioides

Answer 6

E. intestinalis

E. flavescens

Question 7

C/S of intestinal coccidiosis

Answer 7

Diarrhea, anorexia, wt loss

Question 8

Ddx for intestinal coccidiosis

Answer 8

Coliform enteritis, Tyzzers, mucoid enteropathy

Question 9

Immune response to Eimeria?

Answer 9

Infection confers little immunity

Question 10

Transmission of E. cuniculi

Answer 10

Urine/oral

Question 11

C/S of E. cuniculi

Answer 11

Usually subclinical

Ataxia, torticollis, paresis, opisthotonus, tremors, convulsions

Question 12

Histopath of E. cuniculi

Answer 12

Granulomatous lesions in KIDNEY, lung, liver, CNS

Question 13

Tx for E. cuniculi

Answer 13

Fenbendazole + steroid (acute)

Chronic tx not helpful

Question 14

Toxoplasmosis c/s in rabbits

Answer 14

Anorexia, fever, lethargy, CNS signs, death

Question 15

How to tell difference between Toxo and E. cuniculi

Answer 15

Toxo is gram negative, negative for Carbol fuschin, Giemsa mauve
E cuniculi is gram positive, purple with Carbol fuschin, Giemsa blue

Question 16

Pneumocystis species specific to lagomorphs

Answer 16

Pneumocystis oryctolagi

Question 17

Rabbit pinworm

Answer 17

Passaluris ambiguus

Question 18

Prepatent period of Passaluris

Answer 18

56-64 days

Question 19

Adult Passaluris inhabit what part of the GI?

Answer 19

Cecum and LI

Question 20

How to sex adult Passaluris

Answer 20

Female has round esophageal bulb and long, pointed tail

Male has curved tail

Question 21

Tx of Passaluris

Answer 21

Ivermectin +/- fenbendazole

Question 22

Baylisascaris lesions

Answer 22

White granulomas on endo and epicardium, CNS

Question 23

Will you see Balisascaris eggs on fecal float in rabbits?

Answer 23

No, since rabbits are dead end hosts and won’t shed ova

Question 24

Obliscoides cuniculi

Answer 24

Rabbit stomach worm

Question 25

Nematodirus leporis

Answer 25

SI trichostrongyle of wild rabbits

Question 26

Dermatoxys veligera

Answer 26

Wild rabbit pinworm

Question 27

Trichuris leporis

Answer 27

Wild rabbit whipworm

Question 28

Etiology of otoacariasis

Answer 28

Psoroptes cuniculi

Question 29

Life cycle of Psoroptes cuniculi

Answer 29

3 weeks, eggs hatch within 4 days

Question 30

Tx of Psoroptes cuniculi

Answer 30

Ivermectin

Question 31

Scabies life cycle length

Answer 31

2 weeks

Question 32

How to tell Sarcoptes and Psoroptes apart

Answer 32

Sarcoptes has rounder body and rear legs that don’t protrude beyond body margin

Question 33

Notoedres cati

Answer 33

Burrowing mites

Question 34

How to tell Notoedres and Sarcoptes apart

Answer 34

Notoedres slightly smaller

Question 35

Rabbit fur mite

Answer 35

Leporacarus gibbus

Question 36

Leporacarus c/s

Answer 36

Asymptomatic

Question 37

Dx of Leporacarus

Answer 37

Fur pluck