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Tetanus, caused by Clostridium tetani, produces rigidity, third eyelid prolapse, muscle fasciculations, and “sawhorse stance.” Botulism causes flaccid paralysis, not rigidity. Strangles causes purulent discharge and lymphadenopathy. Influenza causes viral respiratory disease. NAVLE emphasizes neurologic disease recognition, vaccination, and emergency management with antitoxin and supportive care.

Foot-and-mouth disease (FMD) is a highly contagious viral disease of cloven-hoofed animals, causing vesicles in the mouth, feet, and teats. It spreads rapidly and is reportable. Vesicular stomatitis mimics FMD but also affects horses. Bluetongue causes oral lesions and edema but not vesicles. BVD causes erosions, not vesicles. NAVLE emphasizes immediate recognition, reporting, and regulatory responses for transboundary diseases.

Fraudulent billing violates ethical and legal standards. Veterinarians must ensure transparency, accurate documentation, and correction of errors. Ignoring or concealing misconduct erodes trust and risks legal consequences. NAVLE emphasizes accountability, integrity, and proper recordkeeping in practice management.

Tritrichomonas foetus causes chronic large-bowel diarrhea in dogs and cats. Rectal scrapings or PCR can confirm diagnosis. Giardia causes small-bowel diarrhea with steatorrhea, not typically hypoproteinemia. Coccidia and Isospora cause diarrhea in younger animals but not chronic disease in adults. NAVLE emphasizes protozoal disease differentiation, diagnostics, and treatment with ronidazole when appropriate.

Vaccine efficacy and safety are validated for specific doses. Reducing or skipping doses compromises immunity and misleads clients. Veterinarians must refuse and explain rationale, documenting client refusal if they decline. NAVLE emphasizes preventive medicine, public health, and ethical responsibility.