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Describe Johnes Disease/ Paratuberculosis in terms of: Etiology Species attacked Transmission and pathogenesis Clinical signs Diagnosis Treatment and control.

Describe Johnes Disease/ Paratuberculosis in terms of:
Etiology
Species attacked
Transmission and pathogenesis
Clinical signs
Diagnosis
Treatment and control.

Answers

etiology,
Mycobacterium paratuberculosis

Species affected
Cattle, sheep and goats

Transmission and pathogenesis
The infection is contracted principally by ingestion of feedstuffs or water contaminated by animals that are fecal shedders. Following oral ingestion, M. Paratuberculosis localizes in the small intestine and associated lymph nodes.
The bacteria multiply, and the animal either becomes resistant, a shedder, or a clinical case

Clinical signs
Watery diarrhea, emaciation and reduced production

Diagnosis
Clinical signs, laboratory tests and postmortem

Treatment and control
No treatment
Control by slaughter of positive animals

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Kavungya answered the question on May 6, 2019 at 12:30

Next: Expand (4 - x)⁷ upto to the term in x⁴. Hence find the appropriate value of (3.8)⁷.
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