Question:
Enzootic abortion of ewes (EAE) is caused by
Enzootic abortion of ewes (EAE) is caused by
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Ovine Abortion Etiology:
Enzootic Abortion of Ewes (EAE) $\rightarrow \textit{Chlamydophila abortus}$.
Vibrionic Abortion $\rightarrow \textit{Campylobacter fetus fetus}$.
Toxoplasmosis $\rightarrow \textit{Toxoplasma gondii}$.
Enzootic Abortion of Ewes (EAE) $\rightarrow \textit{Chlamydophila abortus}$.
Vibrionic Abortion $\rightarrow \textit{Campylobacter fetus fetus}$.
Toxoplasmosis $\rightarrow \textit{Toxoplasma gondii}$.
Updated On: Sep 7, 2026
- Campylobacter fetus fetus
- Chlamydophila abortus
- Ehrlichia ovina
- Corynebacterium pseudotuberculosis
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Ovine infectious abortion syndromes and their specific obligate intracellular bacterial etiologies.
Step 2: Detailed Explanation:
Enzootic Abortion of Ewes (EAE Ovine Chlamydiosis):
- A major infectious cause of late-term abortion, premature lambing, and stillbirths in sheep and goats worldwide.
- The causative agent is the obligate intracellular bacterium {Chlamydophila abortus (formerly Chlamydia psittaci serotype 1).
- Pathologically causes severe necrotic placentitis with reddish-brown exudate and thick, leathery cotyledons (retains Stamp's Modified ZN positive elementary bodies).
- (Campylobacter fetus fetus causes ovine vibrionic abortion; Coxiella burnetii causes Q fever).
Step 3: Final Answer:
Therefore, Enzootic abortion of ewes is caused by Chlamydophila abortus, corresponding to option (B).
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