<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The aim of the present study was to report the primary gross and microscopic lesions, as well as etiological agents of field cases of pneumoenteritis in neonate and juvenile calves. The research was done with 370 calves from 6 cattle farms in 4 regions of the country. The age of the animals was from 24 hours to 25 days. Clinical and epidemiological studies were carried out with newborn and growing calves in all farms. For rapid antigenic and viral detection of pathogens, Rainbow calf scour 5 BIO K 306 Detection of <italic>Rota, Corona, E.coli</italic> F5, <italic>Crypto</italic> and <italic>Clostridium perf</italic>. in bovine stool (BIOX Diagnostics, Belgium), and Monoclonal Antibody anti-bovine <italic>Coronavirus</italic> FITC conjugated) 0,5 ml (20X), BIO 023, (BIOX Diagnostics, Belgium) were used. Eighteen carcasses of calves with signs of pneumoenteritis syndrome (PES) were submitted to gross anatomy and histopathological studies. Bovine coronavirus (<italic>BCoV)</italic> was the main etiological agent involved in calf pneumoenteritis. The macro- and micro lesions in the lung and the ileum of calves affected by PES are relevant with regard to the differential diagnosis of the syndrome and its differentiation from respiratory (<italic>IBR, BVD, BRSV, M. haemolytica</italic> etc.) and intestinal (<italic>Cryptosporidium parvum</italic>, bovine rotaviruses, bovine coronaviruses and <italic>Escherichia coli K99 (F5</italic>) diseases in this category of animals.</p></abstract>

The aim of the present study was to report the primary gross and microscopic lesions, as well as etiological agents of field cases of pneumoenteritis in neonate and juvenile calves. The research was done with 370 calves from 6 cattle farms in 4 regions of the country. The age of the animals was from 24 hours to 25 days. Clinical and epidemiological studies were carried out with newborn and growing calves in all farms. For rapid antigenic and viral detection of pathogens, Rainbow calf scour 5 BIO K 306 Detection of Rota, Corona, E.coli F5, Crypto and Clostridium perf. in bovine stool (BIOX Diagnostics, Belgium), and Monoclonal Antibody anti-bovine Coronavirus FITC conjugated) 0,5 ml (20X), BIO 023, (BIOX Diagnostics, Belgium) were used. Eighteen carcasses of calves with signs of pneumoenteritis syndrome (PES) were submitted to gross anatomy and histopathological studies. Bovine coronavirus (BCoV) was the main etiological agent involved in calf pneumoenteritis. The macro- and micro lesions in the lung and the ileum of calves affected by PES are relevant with regard to the differential diagnosis of the syndrome and its differentiation from respiratory (IBR, BVD, BRSV, M. haemolytica etc.) and intestinal (Cryptosporidium parvum, bovine rotaviruses, bovine coronaviruses and Escherichia coli K99 (F5) diseases in this category of animals.

Etiological and Pathomorphological Investigations in Calves with Coronaviral Pneumoenteritis

Department of General and Clinical Pathology, Faculty of Veterinary Medicine

Department of Veterinary Microbiology, Infectious and Parasitic Diseases, Faculty of Veterinary Medicine

Macedonian Veterinary Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The aim of the present study was to report the primary gross and microscopic lesions, as well as etiological agents of field cases of pneumoenteritis in...

Etiological and Pathomorphological Investigations in Calves with Coronaviral Pneumoenteritis

Published Online: Mar 28, 2019

Page range: 43 - 49

Received: Feb 13, 2018

Accepted: Aug 16, 2018

DOI: https://doi.org/10.2478/macvetrev-2018-0028

Keywords
calves, pathology, pneumoenteritis, bovine coronavirus

© 2018 Ismet Kalkanov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Etiological and Pathomorphological Investigations in Calves with Coronaviral Pneumoenteritis

Published Online: Mar 28, 2019

Page range: 43 - 49

Received: Feb 13, 2018

Accepted: Aug 16, 2018

DOI: https://doi.org/10.2478/macvetrev-2018-0028

Keywordscalves, pathology, pneumoenteritis, bovine coronavirus

© 2018 Ismet Kalkanov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
calves, pathology, pneumoenteritis, bovine coronavirus