Guinea Pigs/Chinchilla Dz Flashcards by Elan Armstrong

What 2 systems does bordatella bronchisepta affect in GP?

respiratory (discharge, dyspnea and cyanosis) and genital (infertility, still births, death)

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how is bordatella bronchisepta transmitted?

aerosol, fomites and genital contact…rabbits!

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how is bordatella bronchisepta diagnosed?

bronchial and tracheal swab culture

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what pathology is associated with bordatella bronchisepta?

cranioventral bronchopneumonia…lots of heterophils and mononuclear cells

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treatment plan for bordatella bronchisepta?

lots of supportive care and some force feeding
don’t forget VITAMIN C!
antibiotics as well like some fluoros…

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Which bacterium produces exotoxins?

Strep equi zooepidermicus

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how is Strep equi zooepidermicus transmitted?

abrasions of skin and oral mucosa

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Strep equi zooepidermicus — clinical signs are similar to which other dz?

bordatella but up to a certain point!

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what are the differentiating c/s of Strep equi zooepidermicus?

cervical lymphadenitis "lumps"
torticollis
nasal and ocular discharge
dyspnea/cyanosis 
abortions and still birth (kinda similar to bordatella but whatever)

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pathology associated with Strep equi zooepidermicus?

abscessed encapsulated LN
general inflammation of LN
otitis media
pneumonia and then all the ‘-itis’ of the liver heart and lungs

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treatment for Strep equi zooepidermicus?

surgical removal of the abscesses along with ABX (Fluor/TMS/chloramphenicol)

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how can Strep equi zooepidermicus be prevented?

non-abrasive feed and keep the teeth trimmed

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Guinea pig, after partuition, begins to show signs of URI. Within a few days she dies. Necropsy shows finbrinopurulent pleuritis, pneumonia, pericarditis, endometritis….what are you thinking?

Strep pneumonia
it’s transmitted aerosol, direct or during birth the Repro tract gets infected.
There can be asymptomatic carriers so be careful!
high mortality and will have URI signs!
Treat with tetra, Chloramphenicol and TMS.

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C diff antibiotic typhlitis — what’s the etiology?

similar to hamsters with the antibiotics

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C diff antibiotic typhlitis—what are the c/s?

similar to hamsters with the addition of hypothermia

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C diff antibiotic typhlitis—what’s the pathology?

similar to hamsters with the involvement of ileum and cecum. there’s hemorrhage, hyperplasia, distension and ulceration

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C diff antibiotic typhlitis—what’s the treatment?

treat symptomatically.
MEtronidazole
Yogurt

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Guinea Pig Adenovirus—transmission

respiratory

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Guinea Pig Adenovirus–c/s

pretty rare
dyspnea and tachypnea
acute death

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Guinea Pig Adenovirus—pathology

cranial ventral lung demarcation
necrotizing bronchioles
intranuclear inclusion bodies

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Guinea Pig Adenovirus—treatment

rederivation

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Cytomegalovirus—associated with what virus

herpes virus

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Cytomegalovirus—transmission

saliva and placenta

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Cytomegalovirus—clincal signs

typically subclinical…decreased weight, conjunctivitis, lymphadenopathy

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Cytomegalovirus---pathology

inclusion bodies nucleus and cytoplasm---salivary glands and renal tubules

LC in guinea pigs---.....

rare but still zoonotic

LC---transmission ---

just like cytomegalovirus ---saliva and placenta

LC---pathology---

like hamsters chronic wasting

Dermatophytosis---the most common brat responsible?

trichophytdon mentagrophyton zoonotic commonly affects nose and muzzle causes acanthuses/lymphocytic infiltration/pustules

Why should you be careful when using Griseofulvin?

it's teratogenic

Guinea pig comes in with extreme pruritus and generalized dermatitis. What are you thinking? mite or lice?

mite...sarcoptic (trixacuris)

Guinea pig comes in with extreme pruritus and generalized dermatitis. What are you thinking? if you're thinking lice, how would you diagnose?

should be able to see them

Guinea pig comes in with extreme pruritus and generalized dermatitis. What are you thinking? if you're thinking mite, how would you diagnose?

deep skin scrape

Guinea pig comes in with some pruritus and alopecia. What are you thinking?

lice---G ovalis or G porcelli (more common)

Guinea pigs---DYSTOCIA what's the cause?

preexisting toxemia in pregnancy pubic symphysis fails to separate so make sure to breed before 6 months large babies

pregnancy toxemia---2 forms

preeclampsia circulatory | ketosis nutritional

preeclampsia in guinea pigs---

ischemia during late pregnancy DEATH

ketosis in guinea pigs

hypoglycemia/hyperlipidemia following 1-3 day fast during late pregnancy DEATH

pregnancy toxemia---how do we treat?

usually no point. try supportive care

Scurvy---deficiency of what?

• Deficiency of L‐gulonolactone oxidase so can't make Vitamin C

Scurvy---c/s

often subclinical | • Weight loss, reluctance to move, swollen joints

Scurvy---diagnosed how?

history, radiographs, clinical signs and serum levels

Scurvy---treatment?

supplement with Vimatin C | make sure food isn't expired

Ulcerative pododermatitis “Bumble Foot” cause?

staph aureus

Ulcerative pododermatitis “Bumble Foot” c/s

Enlarged, firm, ulcerated

Ulcerative pododermatitis “Bumble Foot” treatment?

debridement, ABX, analgesia, chlorhex foot soaks

Ulcerative pododermatitis “Bumble Foot” prevention?

make sure bedding is suitable | make sure they're not obese

Malocclusion c/s

moist fur around the mouth/weight loss

Listeriosis in Chinchillas 2 forms

visceral and encephalic | visceral more common in chinchillas

Listeriosis--transmission

contaminated food/water

Listeriosis---clinical signs

• Encephalitis,abortion,septicemia(acuteinfection) | if chronic then subclinical

Listeriosis---pathology

miliary white foci on multiple organs

Listeriosis---diagnosis

based on clinical signs or even IHC

Listeriosis---prevention

good husbandry | remove contaminated hay and feed

Toxo

Vulvar bleeding • Abortion • Stillbirths • Encephalitis

Toxo---clinical signs

fecal oral

Toxo-pathology

* Pulmonary hemorrhage * Splenomegaly * Enlarged mesenteric lymph nodes • Focal necrotic meningoencephalitis

dental disease in chinchillas

Malocclusion “slobbers” | clinical signs are distinct--the drooling the pawing at the mouth, the moist fur, etc

Fur Slip---cause

Predator avoidance syndrome • Behavioral disorder • Nutritional imbalance • Endocrine imbalance use cotton/latex gloves so your oil from hands won't damage fur!

Limb Injuries

remember the tibial fractures! typically caused by inadequate housing...no wire bottom cages.

Penile Fur Ring---c/s pathognomonic!!

Excessive grooming | • Frequent urination with minimal production • Severe pain

fur ring treatment

• Fur rings can be cut or gently rolled off w/ sterile lubricant

Guinea Pigs/Chinchilla Dz Flashcards

(62 cards)