@article{vinha_silva_2020,  title={Seropositivity for Maedi-Visna virus in sheep in Porto Acre city - Western Amazon, Brazil},  volume={21},  ISSN={1809-6891},  url={https://doi.org/10.1590/1809-6891v21e-59173},  DOI={10.1590/1809-6891v21e-59173},  journal={Ciência Animal Brasileira},  publisher={Universidade Federal de Goiás},  author={Vinha, Karolyne Teixeira and Silva, Tamyres Izarelly Barbosa da},  year={2020},  pages={e–59173} }