NAVLE Urinary

Bovine Pyelonephritis Study Guide

Bovine pyelonephritis is a bacterial infection of the kidney and renal pelvis that occurs predominantly in adult cattle, particularly postpartum cows.

Overview and Clinical Importance

Bovine pyelonephritis is a bacterial infection of the kidney and renal pelvis that occurs predominantly in adult cattle, particularly postpartum cows. Corynebacterium renale has historically been the most common causative agent, though Escherichia coli has become increasingly prevalent in recent years. This condition represents a significant board-relevant topic due to its classic presentation, diagnostic approach, and treatment considerations unique to food-producing animals.

The disease typically develops as an ascending infection from the lower urinary tract, occurring most commonly within 2-3 months postpartum. Understanding the pathogenesis, clinical presentation, and treatment protocols is essential for NAVLE success, as questions frequently test the unique aspects of bovine urinary tract infections compared to small animal medicine.

Species Type Primary Disease Virulence
C. renale Type I Pyelonephritis (cattle) Most virulent
C. pilosum Type II Posthitis (sheep/goats) Moderate
C. cystitidis Type III Cystitis (cattle) Poor prognosis

Etiology

Causative Agents

The C. renale group includes three closely related species that are piliated, non-motile, Gram-positive rods distinguished by biochemical testing:

You've been studying hard

Create a free account to keep reading

Free accounts get 5 articles/day + daily practice question

Join 14,000+ vet students already studying with NavleExam.

No credit card needed — free account takes 30 seconds.

Create Free Account — Keep Reading Already have an account? Log in
or skip signup — just get daily questions

No spam. One question per day. Unsubscribe anytime.

NAVLE Exam Prep Platform

Everything you need to pass the NAVLE

10,000+ Practice Questions
Exam-style with full explanations
Past Exam Papers
Real previous exam questions
Flashcard Mode
Species & topic quick review
High-Yield Study Guides
What's actually on the exam
Start Free Trial → See Plans & Pricing No credit card required to start