A simple field diagnostic smear test for bovine besnoitiosis |
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| Authors: | A Sannusi |
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| Institution: | Department of Parasitology and Entomology, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Nigeria. |
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| Abstract: | A fast and inexpensive skin biopsy smear was used for confirming suspected clinical cases of bovine besnoitiosis. The technique was based on the demonstration of Besnoitia besnoiti bradyzoites (cystic stages), which appeared stumpy, each organism 6.2 microns by 3.1 microns in size, or banana-shaped, 7.7 microns by 1.5 micron in affected skin smears. A more rapid non-surgical technique, scleral conjunctival scraping, revealed similar bradyzoites, thus enhancing the diagnostic value of conjunctival cysts in more chronic infections. The technique will aid prompt management decisions to contain suspected outbreaks in herds not routinely served by tissue-processor-equipped diagnostic laboratories. |
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