The NAVLE tests across 12 species categories. Percentages below reflect the official ICVA exam blueprint — species with higher weights should get proportionally more of your study time. Click any species to open its full guide with topic breakdowns and curated study articles.
All 12 NAVLE Species
Sorted by exam weight — highest to lowest
25.6%
of NAVLE exam
Canine
The highest-weight species. Covers internal medicine, surgery, reproduction, and preventive care for dogs.
View Study Guide →
24.3%
of NAVLE exam
Feline
Nearly as heavy as canine. URTD, CKD, hyperthyroidism, dermatology, and feline-specific anesthesia.
View Study Guide →
14.7%
of NAVLE exam
Equine
Colic, lameness, respiratory disease, reproduction, and large-animal surgery are all fair game.
View Study Guide →
6.4%
of NAVLE exam
Bovine
Food-animal medicine, metabolic diseases (milk fever, ketosis), mastitis, and herd health programs.
View Study Guide →
3.2%
of NAVLE exam
Porcine
Swine production diseases, respiratory complex, PRRS, PED, and biosecurity protocols.
View Study Guide →
3.1%
of NAVLE exam
Ovine & Caprine
Small ruminant medicine covering enterotoxemia, caseous lymphadenitis, CAE, and OPP.
View Study Guide →
2.8%
of NAVLE exam
Other Small Mammal
Rabbits, ferrets, guinea pigs, rats, and hedgehogs — husbandry, disease, and exotic medicine.
View Study Guide →
2.6%
of NAVLE exam
Pet Bird
Psittacines and passerines — proventricular dilatation, Chlamydiosis, feather disease, and nutrition.
View Study Guide →
2.5%
of NAVLE exam
Reptile
Chelonians, lizards, and snakes. Metabolic bone disease, respiratory infections, and husbandry.
View Study Guide →
2.2%
of NAVLE exam
Poultry
Flock medicine, NDV, IB, Marek's disease, necrotic enteritis, and biosecurity in commercial flocks.
View Study Guide →
2.1%
of NAVLE exam
Aquatics
Fish and aquatic species. Water quality, common pathogens, and diagnostic sampling techniques.
View Study Guide →
1.9%
of NAVLE exam
Camelidae & Cervidae
Llamas, alpacas, and deer. Unique anatomical differences, common diseases, and handling considerations.
View Study Guide →