Pathological Findings in Lowland Tapirs (Tapirus terrestris) Killed by Motor Vehicle Collision in the Brazilian Cerrado

Autor(es)

Navas-Suarez, P. E. ^[1] ; Diaz-Delgado, J. ^[1] ; Fernandes-Santos, R. C. ^{[2, 3]} ; Testa-Jose, C. ^[2] ; Silva, R. ^[4] ; Sansone, M. ^[5] ; Medici, E. P. ^{[2, 3, 6]} ; Catao-Dias, J. L. ^[1]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Fac Med Vet & Zootecnia, Dept Patol, Lab Patol Comparada Animais Selvagens, Ave Prof Orlando Marques Paiva 87, Sao Paulo - Brazil

^[2] Inst Pesquisas Ecol, Lowland Tapir Conservat Initiat, Campo Grande, MS - Brazil

^[3] IUCN SSC Tapir Specialist Grp, Botucatu, SP - Brazil

^[4] Univ Estadual Paulista, Inst Biociencias, Botucatu, SP - Brazil

^[5] Adolfo Lutz Inst, Ctr Patol, Sao Paulo - Brazil

^[6] Nazare Paulista, Escola Super Conservacao Ambiental & Sustentabili, Sao Paulo - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Journal of Comparative Pathology; v. 170, p. 34-45, JUL 2019.
• Citações Web of Science: 0

Resumo

The lowland tapir (Tapirus terrestris) is the largest land mammal in South America. The species faces steady population decline due to poaching, habitat loss and fragmentation, road-kill, pesticide pollution, competition with domestic livestock and fires, among other threats. The lowland tapir is currently listed as vulnerable to extinction. Little information is available about natural disease processes for the species. This study aimed to report the pathological findings recorded in a cohort of 35 lowland tapirs killed by motor vehicle collision (MVC) on highways of Mato Grosso do Sul State, Brazil, between 2015 and 2018. The main gross pathological findings were those associated with MVC, primarily involving skeletal fractures and internal multiorgan damage with extensive bleeding and/or severe central nervous system injury. The most prevalent concurrent histopathological findings, unrelated to the cause of death, were: adrenal gland degeneration, necrosis and loss of fascicular and reticular cells with replacement fibrosis and cortical atrophy (9/15; 60%); interstitial pneumonia (20)34; 59%); glossitis (9/24; 38%); pulmonary anthracosis (12/34; 35%); colitis (9/28; 32%); and cholangitis/pericholangitis (9/35; 26%). The aetiopathogeneses and clinicopathological significance of some of these findings are unclear; however, parasitic infections appear to be common. Our results highlight the importance of wildlife health information obtained through the study of carcasses of roadkills. (C) 2019 Elsevier Ltd. All rights reserved. (AU)

• Processo FAPESP: 16/50377-1 - Taxonomia morfológica e molecular de helmintos parasitas de animais ectotérmicos no Brasil
• Beneficiário: Reinaldo José da Silva
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 17/02223-8 - Imunopatologia comparativa da infecção por Morbillivirus nos cetáceos: estudos histológico, imuno-histoquímico e molecular
• Beneficiário: Josué Díaz Delgado
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado