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10 Cards in this Set
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- Back
- 3rd side (hint)
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Mannheimia haemolytica*
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*Gram Negative *Non-motile *Facultative *Coccobacilli
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causes: Shipping Fever Associated with bronchopnuemonia in cattle, signs 1-2 weeks after stress. Or as a secondary infector with sheep & goats. Dypsnea, coughing, fever, inappetence, etc
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Mycobacterium bovis*
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*Strict Aerobes *Gram Positive *Acid Fast *Nonmotile *Bacilli *NO CAPSULE
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TB Granulomatous lesions called tubercles (hence, TB). Alveolar Macro's infected leading to formation of giant cells surrounded T-Cells and epithyloid cells. Activity can damage healthy tissue
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Pasteurella multocida*
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*Gram Negative *Non-motile *Facultative *Coccobacilli
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causes: Pnuemonia As a secondary invader. Can cause chronic atrophic rhinitis in swine leading to destruction of nasal turbinates. Causes rabbit SNUFFLES, inflammation of nose, sinus, with excessive mucous production
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Histophilus somni
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*non-motile *facultative *gram negative *bacillus
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causes: THROMBOTC MENINGO ENCEPHALITIS age 6-12, feedlots, mixed cattle, stress, cold, crowding, 1-2 weeks of dypsnea and harsh cough. Dypsnea, depression, weakness, unable to stand. 8-24 hrs till death
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Mycoplasma mycoides*
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lack a cell wall. Membranes contain cholesterol from host.
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Alveolitis or Bronchiolitis
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Mycoplasma bovis Zoonotic*
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lack a cell wall. Membranes contain cholesterol from host.
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pneumonia
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Bovine Respiratory Syncitial Virus
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Enveloped, SS - RNA Paramyxoviridae
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Can cause Shipping Fever. Alone- emphysema, fever, rhinitis w/ discharge, cough, pneumonia.
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Bovine Parainfluenza-3
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Env. - sense ssRNA Paramyxoviridae
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Compromises ciliary escalator--> Can cause Shipping Fever. Healthy animals- mild URI Stressed- pneumonia
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Infectious Bovine Rhinotracheitis (BHV-1)
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Env. ds DNA Herpesviridae
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Fever, discharge, focal pustular necrosis to ulcerated mucosa, dyspnea, open mouth breathing, salivation, cough, abortion.
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BVDV
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Env. ssRNA + Flavivirus
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In postnatal nonpregnant cattle causes mild disease, nasal and ocular discharge, diarrhea, and stomatitis (inflammation of the MM of the mouth) replicates systemically in the lymphoid tissue
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