Document Detail


Clinical findings and treatment of 94 cattle presumptively diagnosed with listeriosis.
MedLine Citation:
PMID:  16648439     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The clinical findings and treatment of 94 cattle with listeriosis are described. The general behaviour and condition of the animals were mostly moderately to severely disturbed. A common abnormality in posture was an exaggerated forward or sideward stance, and 11 of the animals were recumbent. More than half of the animals were ataxic and 22 circled. The most frequent cranial neurological signs observed were facial nerve paralysis, salivation, strabismus, reduced or absent pupillary light reflex, reduced or absent tongue movement and head tilt. The haematological and biochemical findings did not contribute to the diagnosis of listeriosis, but they were useful indicators of dehydration and the acid-base status of the animal. Forty-four of 57 of the animals had high leucocyte counts in the cerebrospinal fluid (CSF), mostly mononuclear cells. Eighty-seven of the animals were treated with various antibiotics (penicillin G, oxytetracycline, amoxicillin, and amoxicillin and gentamicin combined), but there was no significant difference in the success rate of the different treatments. Only two of the nine recumbent animals that were treated survived. Univariable analysis suggested that animals that were recumbent, excited, with an absent or weak menace reflex, nystagmus, high numbers of leucocytes in the CSF, high serum concentrations of urea and calcium and high serum activities of aspartate aminotransferase and creatine kinase, and an acid-base deficit, had a smaller chance of surviving. When a logistic regression model was constructed, only recumbency, excitement and a weak or absent menace reflex remained significant factors affecting the likelihood of survival.
Authors:
G Schweizer; F Ehrensperger; P R Torgerson; U Braun
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Veterinary record     Volume:  158     ISSN:  0042-4900     ISO Abbreviation:  Vet. Rec.     Publication Date:  2006 Apr 
Date Detail:
Created Date:  2006-05-01     Completed Date:  2006-06-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0031164     Medline TA:  Vet Rec     Country:  England    
Other Details:
Languages:  eng     Pagination:  588-92     Citation Subset:  IM    
Affiliation:
Department of Farm Animals, University of Zurich, Winterthurerstrasse 260, CH-8057 Zurich, Switzerland.
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MeSH Terms
Descriptor/Qualifier:
Animals
Anti-Bacterial Agents / therapeutic use*
Ataxia / etiology,  veterinary
Behavior, Animal*
Blood Chemical Analysis / veterinary
Blood Gas Analysis / veterinary
Cattle
Cattle Diseases / diagnosis,  drug therapy,  pathology*
Dehydration / etiology,  veterinary
Diagnosis, Differential
Female
Leukocyte Count / veterinary
Listeria Infections / diagnosis,  drug therapy,  pathology,  veterinary*
Male
Nervous System Diseases / diagnosis,  drug therapy,  pathology,  veterinary*
Survival Rate
Treatment Outcome
Chemical
Reg. No./Substance:
0/Anti-Bacterial Agents

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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