BCSE
Medicine
Exotic Animal Medicine Basics – BCSE Study Guide
March 28, 2026
30 min read
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BCSE study guide for Exotic Animal Medicine. High-yield review with exam-focused content and practice questions.
| Parameter |
Value |
Clinical Significance |
| Rectal Temperature |
Less than 99 degrees F |
3x greater mortality risk |
| Blood Glucose |
Greater than 300 mg/dL |
Increased risk of GI obstruction |
| Serum Sodium |
Less than 129 mEq/L |
2.3x greater mortality risk |
| BUN |
Greater than 24.7 mg/dL |
3x greater mortality risk |
| Treatment |
Drug/Approach |
Dose/Notes |
| Fluids |
Crystalloids IV or SC |
Rehydrate aggressively; IO if severe |
| Pain Management |
Meloxicam or Buprenorphine |
Meloxicam 0.5 mg/kg SC/PO q24h; Buprenorphine 0.01-0.05 mg/kg SC q8-12h |
| Prokinetics |
Metoclopramide or Cisapride |
Metoclopramide 0.2-1.0 mg/kg PO/SC/IV q8-12h; Cisapride 0.5 mg/kg PO q8h |
| GI Protectants |
Ranitidine |
2-5 mg/kg PO/SC/IV q12-24h; also has prokinetic effects |
| Nutritional Support |
Critical Care (Oxbow) |
Syringe feed q4-6h; nasogastric tube if needed |
| Heat Support |
Gradual rewarming |
Critical for hypothermic patients |
| Approach |
Treatment |
Notes |
| Medical - First Line |
Prednisone 0.5-2 mg/kg PO BID |
Stimulates gluconeogenesis |
| Medical - Second Line |
Diazoxide 5-30 mg/kg PO BID |
Inhibits insulin release; titrate to effect |
| Surgical |
Nodulectomy plus partial pancreatectomy |
Longer disease-free interval (median 668 days) vs medical alone |
| Emergency |
Dextrose/honey/corn syrup to gums |
For acute collapse - temporary measure only |
| Diet |
Frequent small meals, high protein |
Avoid simple sugars; feed ad libitum |
| Treatment |
Details |
| Surgical - Preferred |
Adrenalectomy of affected gland; left gland removal is straightforward; right gland near vena cava is more challenging |
| Medical - Deslorelin implant |
GnRH agonist; licensed for ferrets; average disease-free period 16.5 months; becoming first-line treatment |
| Medical - Leuprolide |
GnRH agonist injection; suppresses gonadotropin release; requires repeated injections |
| Medical - Melatonin |
May help with hair regrowth but does not stop tumor growth |
| Treatment |
Details |
| Acute - Injectable |
Vitamin C 50-100 mg/kg SC or IM; for severe cases |
| Maintenance - Oral |
Vitamin C 50-100 mg/kg PO daily until recovery; then 10-30 mg/kg/day |
| Diet Correction |
Fresh vegetables high in vitamin C: bell peppers (red has most), parsley, kale, broccoli |
| Pain Management |
Meloxicam for joint pain; handle gently |
| Diagnostic Test |
Notes |
| Radiography |
Shows dilated proventriculus; proventriculus-to-keel ratio greater than 0.52 suggests dilation |
| Barium Contrast |
Delayed GI transit time; food stasis in proventriculus |
| PCR - ABV |
Choanal/cloacal swabs or blood; false negatives possible due to intermittent shedding |
| Serology |
ABV-specific antibodies; positive does not confirm PDD will develop |
| Crop Biopsy |
Histopathology - only 30-35% sensitive; negative does not exclude disease |
| Necropsy |
Definitive diagnosis; sample crop, proventriculus, ventriculus, brain, adrenal |
| Test |
Findings |
| Radiographs |
Generalized skeletal demineralization, thin cortices, folding fractures, fibrous osteodystrophy |
| Blood Chemistry |
Late stages: hypocalcemia, hyperphosphatemia, low ionized calcium |
| Vitamin D levels |
Low 25-hydroxycholecalciferol |
| Severity |
Treatment |
Notes |
| Mild |
Diet correction plus calcium/D3 supplements |
Correct UVB lighting; dust insects with calcium |
| Moderate |
Oral calcium supplementation plus husbandry correction |
Calcium glubionate 1 mL/kg PO q12-24h |
| Severe/Tetanic |
Calcium gluconate 50-100 mg/kg IV/IM slow |
Hospitalization; fluid therapy; heat support |
| All Cases |
Husbandry correction is ESSENTIAL |
UVB bulb replacement every 6-12 months |
| Parameter |
Rabbit |
Ferret |
Guinea Pig |
Psittacine |
Reptile |
| GI Type |
Hindgut fermenter |
Simple carnivore |
Hindgut fermenter |
Simple GI tract |
Variable by species |
| Top Disease #1 |
GI stasis |
Insulinoma |
Vitamin C deficiency |
PDD |
MBD |
| Top Disease #2 |
Dental disease |
Adrenal disease |
Respiratory infection |
Psittacosis |
Respiratory infection |
| Unique Feature |
Cannot vomit; cecotrophy |
Obligate carnivore; short GI transit |
Cannot synthesize Vit C |
Air sac system |
Ectothermic; need UVB |
| Normal Temp |
100-102.5 F |
100-104 F |
99-103 F |
104-112 F |
POTZ dependent |
| Key Drug Note |
Sensitive to antibiotics disrupting GI flora |
Check glucose with prednisone |
Vitamin C supplements essential |
Doxycycline for chlamydiosis |
Temperature affects drug metabolism |
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