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Congenital bilateral clinical anophthalmia and brachygnathia superior in a fighting bull calf

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9-JCR-42. Clinical Case Reports - 2023 - Seva - Congenital bilateral clinical anophthalmia and brachygnathia superior in a fighting.pdf(4.15 MB)
Date
2023-05-18
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Authors
Sanes, José Manuel ; Bueno, Juan Manuel ; Jódar, Carlos de ; Soler, Marta ; Bayón, Alejandro ; Párraga Ros, Ester ; Seva Alcaraz, Juan
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Publisher
Wiley
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Anatomía y Anatomía Patológica Comparadas
DOI
https://doi.org/10.1002/ccr3.7159
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Description
© 2023 The Authors. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ This document is the Published version of a Published Work that appeared in final form in Clinical Case Reports. To access the final edited and published work see https://doi.org/10.1002/ccr3.7159
Abstract
This study describes a case of a 20-day-old male fighting bull with bilateral clinical anophthalmia and brachygnathia superior whose dam was 12.5 years old and was mistakenly dewormed with ivermectin intramuscularly in the first third of gestation in a livestock farm. A macroscopic examination of the carcass was performed, with a special focus on the ocular components. Eyeball remains were found in both orbits and a histopathological examination was performed on them. Antibodies by serological study against bovine herpes virus-1, respiratory syncytial virus and bovine viral diarrhea virus for both the cow and the calf were not detected. The calf had small orbits and inside them a white and brown mass of soft consistency. Microscopically, abundant muscular and adipose tissue was observed, alongside nervous structures and vestiges of ocular structures with stratified epithelium and abundant connective tissue with glands. No evidence that this congenital bilateral anophthalmia had infectious or hereditary origin was found. By contrast, the malformation could be related to the treatment with ivermectin during the first month of gestation.
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Nophthalmia , Brachygnathia , Fighting bull calf , Ivermectin
Citation
Clinical Case Reports, 2023, Vol. 11, N. 5: pp. e7159
URI
http://hdl.handle.net/10201/146097
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