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Lungworm infection in a central Iowa beef herd
Author(s) -
Smith Joseph S,
Olivarez Jeff D,
Brewer Matthew T,
Hiscocks Mitch R,
Andreasen Claire B
Publication year - 2020
Publication title -
veterinary record case reports
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.165
H-Index - 4
ISSN - 2052-6121
DOI - 10.1136/vetreccr-2019-001001
Subject(s) - lungworm , medicine , herd , veterinary medicine , zoology , immunology , biology , helminths
A beef herd presented four calves, aged 8–9 months, in late September for evaluation of respiratory disease of 2 months duration that was non-responsive to antimicrobial treatment. Calves were housed on a marshy pasture and similar signs occurred in calves during the same months the previous 2 years. The owner reported greater than 50% of calves were affected with a significantly decreased rate of gain. Physical examination revealed tachypnea and cough. Transtracheal wash cytology, viral respiratory PCR panel and bacterial culture were performed. The viral respiratory PCR panel was negative, and bacterial cultures identified commensal bacteria.Direct and cytospin cytology from a transtracheal wash contained increased cellularity and mucus with erythrocytes. There were ciliated epithelial cells and a mixture of inflammatory cells, including macrophages (51%), …