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Abstract
Skin lesions were reported in a group of quarantined Omani native cattle for exportation purpose during January 2018. The skin lesions were reported in 17 animals out of 140 and were scattered over the head, neck, back and perineal region of the animals. Lesions varied from paint-brush matted hairs to wart-like lesions that are up to 2 cm in diameter. Skin scraping samples were obtained from the living animals and were directly stained with gram stain. Histologically, there was severe multifocal exudative dermatitis with hyperkeratosis. Dermis was infiltrated with neutrophils, mononuclear cells, and numerous branching filaments coccoid bodies. Bacterial culture on sheep blood agar revealed gray to white, beta hemolytic, raised and irregularly shaped colonies. Gram staining showed gram positive branching filaments with both transverse and longitudinal fragments formed from packs of coccoid cells confined with Dermatophilus congolensis. Animals were treated successfully with 3 doses of intra muscular injection of long-acting oxytetracycline with topical application of antibiotic spray. To the best of our knowledge, this is the first report of dermatophilosis in Omani cattle.
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References
- Bancroft, J. D., 2013. Histochemical techniques, Butterworth-Leinemann.
- Burd, E. M., Juzych, L. A., Rudrik, J. T. & Habib, F., 2007. Pustular dermatitis caused by Dermatophilus congolensis. Journal of Clinical Microbiology, 45, 1655-1658
- Carter, G. R. & Cole, G. R., 1990. Diagnostic procedures in veterinary bacteriology and mycology. 5th edition (Academic Press, California), 280-283
- Dean, D., Gordon, M., Severinghaus, C., Kroll, E. & Reilly, J., 1961. Streptothricosis: a new zoonotic disease. New York State Journal of Medicine, 61
- Gebreyohannes, M. and Gebresselassie, M., 2013. An overview on dermatophilosis of animals. Journal of Animal Science Advances, 3, 337-344
- Gitao, C., Agab, H. and Khalifalla, A., 1998. Camel dermatophilosis in Kenya, Sudan and Saudi Arabia. Proc. Third Ann. Meeting for Anim. Prod. Under Arid Conditions, 93-107
- Jafari Shoorijeh, S., Badiee, K., Behzadi, M. & Tamadon, A., 2008. First report of Dermatophilus congolensis dermatitis in dairy cows in Shiraz, Southern Iran. Iranian Journal of Veterinary Research, 9, 281-283
- Joseph, S., Wernery, U. and Ali, M., 1998. Dermatophilosis caused by a non haemolytic Dermatophilus congolensis strain in dromedary camels in the United Arab Emirates. Journal of Camel Practice and Research, 5, 247-248
- Osman, S. A., 2014. Camel dermatophilosis: clinical signs and treatment outcomes. Journal of Camel Practice and Research, 21: 199-204
- Pal, M., 1995. Prevalence in india of Dermatophilus congolensis infection in clinical specimens from animals and humans. Revue Scientifique et Technique-Office International des Epizooties, 14, 857-857.
- Quinn, P. & Markey, B., 2003. Section II pathogenic bacteria, Dermatophilus congolensis. Concise Review of Veterinary Microbiology. 1st edition: Blackwell Publishing.
- Quinn, P. J., Markey, B. K., Leonard, F. C., Hartigan, P., Fanning, S. & Fitzpatrick, E. I., 2011. Veterinary Microbiology and Microbial Disease, John Wiley & Sons.
- Stewart, G., 1972. Dermatophilosis: a skin disease of animals and man. I. Veterinary Record, 91, 537-544
- Tarazi, Y. H. and Al-ani, F. K., 2016. An outbreak of dermatophilosis and caseous lymphadenitis mixed infection in camels (Camelus dromedaries) in Jordan. The Journal of Infection in Developing Countries, 10, 506-511
- Yeruham, I., Elad, D. and Perl, S., 2003. Dermatophilosis in goats in the Judean foothills. Revue de Médecine Vétérinaire, 154, 785-788
- Zaria lt. 1993. Dermatophilus congolensis infection (dermatophilosis) in animals and man! An update. Comparative Immunology, Microbiology & Infectious Diseases, 16:179–222
References
Bancroft, J. D., 2013. Histochemical techniques, Butterworth-Leinemann.
Burd, E. M., Juzych, L. A., Rudrik, J. T. & Habib, F., 2007. Pustular dermatitis caused by Dermatophilus congolensis. Journal of Clinical Microbiology, 45, 1655-1658
Carter, G. R. & Cole, G. R., 1990. Diagnostic procedures in veterinary bacteriology and mycology. 5th edition (Academic Press, California), 280-283
Dean, D., Gordon, M., Severinghaus, C., Kroll, E. & Reilly, J., 1961. Streptothricosis: a new zoonotic disease. New York State Journal of Medicine, 61
Gebreyohannes, M. and Gebresselassie, M., 2013. An overview on dermatophilosis of animals. Journal of Animal Science Advances, 3, 337-344
Gitao, C., Agab, H. and Khalifalla, A., 1998. Camel dermatophilosis in Kenya, Sudan and Saudi Arabia. Proc. Third Ann. Meeting for Anim. Prod. Under Arid Conditions, 93-107
Jafari Shoorijeh, S., Badiee, K., Behzadi, M. & Tamadon, A., 2008. First report of Dermatophilus congolensis dermatitis in dairy cows in Shiraz, Southern Iran. Iranian Journal of Veterinary Research, 9, 281-283
Joseph, S., Wernery, U. and Ali, M., 1998. Dermatophilosis caused by a non haemolytic Dermatophilus congolensis strain in dromedary camels in the United Arab Emirates. Journal of Camel Practice and Research, 5, 247-248
Osman, S. A., 2014. Camel dermatophilosis: clinical signs and treatment outcomes. Journal of Camel Practice and Research, 21: 199-204
Pal, M., 1995. Prevalence in india of Dermatophilus congolensis infection in clinical specimens from animals and humans. Revue Scientifique et Technique-Office International des Epizooties, 14, 857-857.
Quinn, P. & Markey, B., 2003. Section II pathogenic bacteria, Dermatophilus congolensis. Concise Review of Veterinary Microbiology. 1st edition: Blackwell Publishing.
Quinn, P. J., Markey, B. K., Leonard, F. C., Hartigan, P., Fanning, S. & Fitzpatrick, E. I., 2011. Veterinary Microbiology and Microbial Disease, John Wiley & Sons.
Stewart, G., 1972. Dermatophilosis: a skin disease of animals and man. I. Veterinary Record, 91, 537-544
Tarazi, Y. H. and Al-ani, F. K., 2016. An outbreak of dermatophilosis and caseous lymphadenitis mixed infection in camels (Camelus dromedaries) in Jordan. The Journal of Infection in Developing Countries, 10, 506-511
Yeruham, I., Elad, D. and Perl, S., 2003. Dermatophilosis in goats in the Judean foothills. Revue de Médecine Vétérinaire, 154, 785-788
Zaria lt. 1993. Dermatophilus congolensis infection (dermatophilosis) in animals and man! An update. Comparative Immunology, Microbiology & Infectious Diseases, 16:179–222