The importance of venous blood gas findings and clinical scores in calves with bovine respiratory disease complex
<b>Aim: </b>The aim of this study was to determine the effects of bacteriological factors in the etiology of Bovine Respiratory Disease Complex (BRD) on the clinical scores and blood gases.<p> <b>Materials and Methods:</b> The animal material of the study consisted of 2...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Selcuk University Press
2021-03-01
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| Series: | Eurasian Journal of Veterinary Sciences |
| Subjects: | |
| Online Access: | http://eurasianjvetsci.org/pdf.php3?id=1342 |
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| Summary: | <b>Aim: </b>The aim of this study was to determine the effects of bacteriological
factors in the etiology of Bovine Respiratory Disease Complex (BRD) on
the clinical scores and blood gases.<p>
<b>Materials and Methods:</b> The animal material of the study consisted of 28
calves with BRD (experimental group) and 10 healthy calves (control group),
aged between 60-120 days. Calves with BRD were divided into three
sub-groups depending on the microbiological examination of the bronchoalveolar
lavage fluid; Mannheimia haemolytica (n:6), Pasteurella multocida
(n:10) and Mycoplasma bovis (n:12). All calves were scored based on the
Wisconsin (WI) score system. Blood gases were measured in venous blood
samples.<p>
<b>Results:</b> All clinical scores were found to be higher (p <0.05) in the experimental
group compared to the control group. The clinical course of the
disease was found to be more severe in M. haemolytica and P. multocida
groups than in the M. bovis group (p <0.05). In all experimental groups,
pCO<sub>2</sub> level was high, the pO<sub>2</sub> and sO<sub>2</sub> levels were low (p<0.05). Cl level was
lower and HCO<sub>3</sub> level was higher (p <0.05) in P. multocida group compared
to control and M. haemolytica groups, BEefc and BE levels were found to be
higher (p <0.05) in P. multocida group compared to all groups.<p>
<b>Conclusion:</b> It was concluded that changes in blood gases and acid-base
balance in BRD calves are associated with metabolic compensation of respiratory
problems, and according to the clinical scores, M. haemolytica and
P. multocida infections had a more severe course. |
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| ISSN: | 1309-6958 2146-1953 |