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Hemorrhagic diathesis in neonatal calves - a case report
Języki publikacji
Abstrakty
Hemorrhagic diathesis in neonatal calves is a new and emerging disease of young calves. The disease affects calves aged less than 4 weeks. Clinical signs in calves include skin and intestinal bleeding as well as petechiae on all mucosal membranes. The cause of this syndrome is as of yet unknown. In this study, to the best of our knowledge, the authors demonstrated the first case of hemorrhagic diathesis in neonatal calves with hematological and histopathological diagnosis. Clinical examinations demonstrated cutaneous bleeding. Hematological examination showed thrombocytopenia (43.7 × 10⁹/L) and pancytopenia (1.47 × 10⁹/L). During necropsy multiple generalized petechiae, ecchymoses or hemorrhages were ascertained. Histopathology revealed a multifocal extravasation of red blood cells (hemorrhage). Severe loss of hematopoietic tissue of the bone marrow was the most prominent finding on histology. The BVD antigen test was negative.
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Opis fizyczny
s.283-286,fot.,bibliogr.
Twórcy
autor
- Katedra Epizootiologii z Kliniką Ptaków i Zwierząt Egzotycznych, Wydział Medycyny Weterynaryjnej, Uniwersytet Przyrodniczy we Wrocławiu, Pl.Grunwaldzki 45, 50-366 Wrocław
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Bibliografia
- 1.Anon.: Veterinary Laboratory Agency (VLA): Idiopathic haemorrhagic diathesis diagnosed in calves across England. Vet. Rec. 2009, 165, 304-307.
- 2.Corapi W. V., Elliot R. D., French T. W., Arthur, D. G., Bezek D. M., Dubovi E. J.: Thrombocytopenia and hemorrhages in veal calves infected with bovine viral diarrhea virus. J. Am. Vet. Med. Assoc. 1990, 196, 590-596.
- 3.Corapi W. V., French T. W., Dubovi E. J.: Severe thrombocytopenia in young calves experimentally infected with noncytopathic bovine viral diarrhea virus. J. Virol. 1989, 63, 3934-3943.
- 4.Divers T., Peek S. (red.): Rebhun's diseases of dairy cattle, Saunders 2007, 200-294.
- 5.Friedrich A., Rademacher G., Weber B. K., Kappe E., Carlin A., Assad A., Sauter-Louis C., Hafner-Marx A., Büttner M., Bottcher J., Klee W.: Gehauftes Auftreten von Hämorrhagischer Diathese infolge Knochenmarkschädigung bei jungen Kalbern. Tierärztl. Umsch. 2009, 64, 423-431.
- 6.Kappe E. C., Halami M., Schade B., Bauer J., Dekant W., Buitkamp J., Boettcher J., Mueller H.: Fatal aplastic anemia with haemorrhagic disease in calves in Germany. Proc. of the 27th meeting European Society of Veterinary Pathology and European College of Veterinary Pathologists, Kraków 9-12.09. 2009, s. 118.
- 7.Pardon B., Steukers L., Dierick J., Ducatelle R., Saey V., Maes S., Vercauteren G., De Clercq K., Callens J., De Bleecker K., Deprez P.: Haemorrhagic diathesis in neonatal calves: An Emerging Syndrome in Europe. Transboundary Emerg. Dis. 2010, 57, 135-146.
- 8.Penny C. D., Bell C., Morrison L., Howie F., Willoughby K.: Pancytopenia and haemorrhage in beef calves. Vet. Rec. 2009, 164, 762.
- 9.Polak M. P., Żmudziński J. F.: Genotyping of Polish field isolates of BVDV Medycyna Wet. 2002, 58, 913-1004.
- 10.Radostits O. M., Gay C. C., Hinchcliff K. W., Constable P. D. (red.): Veterinary Medicine: A Textbook of the Diseases of Cattle, Sheep, Pig, Goats and Horses. Saunders W. B. Co, London 2007, 439-449.
Typ dokumentu
Bibliografia
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Identyfikator YADDA
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