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8 Cards in this Set
- Front
- Back
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What parasites could cause alveolar & interstitial pneumonia in cattle?
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Dictyocaulus vivparus & aberrant migration of Ascaris suum
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Dictyocaulus viviparus
a. epidemiology b. lesions c. dx d. tx |
a. young cattle (< 12 mo.) or previously unexposed cattle
herd problem areas of high rain or intense irrigation b. complications can occur & cause severe illness/death: pulmonary edema, interstitial emphysema, alveolar epithelial hyperplasia, 2º bacterial pneumonia c. Baermann or trach wash to detect larvae d. levamisole, benzimidazole, avermectins |
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What are some lungworms affecting sheep & goats?
Which is most common? |
D. filaria
Protostrongylus rufescens Muellerius capillaris: most common (least pathogenic) |
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D. filaria/Protostrongylus rufescens
a. signs b. dx c. tx |
a. dyspnea, tachypnea, variable coughing (P. rufescens often subclinical)
b. Baermann c. levamisole, ivermectin |
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Muellerius capillaris
a. life cycle b. tx |
a. indirect: snail or slug intermediate host
b. ivermectin, fenbendazole, albendazole |
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ovine progressive pneumonia
a. etiology b. epidemiology c. signs |
a. retrovirus
b. adult sheep c. chronic progressive pneumonia, wasting, progressive resp. failure, lymphocytic mastitis ("hard bag"), posterior paresis, chronic arthritis, vasculitis |
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ovine progressive pneumonia
a. dx b. tx c. control |
a. AGID: test of choice
clinical signs, lack of response to tx b. none c. test & cull OR isolation/artificial rearing of offspring |
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ovine pulmonary carcinoma
a. etiology b. signs c. dx, tx |
a. retrovirus implicated
b. mature sheep lose wt., show respiratory signs c. none |
