Journal
BRAZILIAN JOURNAL OF MICROBIOLOGY
Volume 52, Issue 1, Pages 449-453Publisher
SPRINGER
DOI: 10.1007/s42770-020-00389-9
Keywords
Cerdocyon thous; Wild; Heart; CPV-2b
Categories
Funding
- Brazilian institute: National Council of Scientific and Technological Development (CNPq)
- Brazilian institute: Brazilian Federal Agency for Support and Evaluation of Graduate Education (CAPES)
- Brazilian institute: Financing of Studies and Projects (FINEP)
- Brazilian institute: Araucaria Foundation (FAP/PR)
- CNPq
- Funadesp
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The study found that a wild crab-eating fox pup in Brazil died from infection with canine parvovirus-2b (CPV-2b).
The crab-eating fox (Cerdocyon thous) is a small wild mammal present in all Brazilian biomes and in some countries of South America. This study aimed to verify the involvement of viral infectious agents in the death of a wild crab-eating fox pup (Cerdocyon thous) in Brazil. The Center for Medicine and Research of Wild Animals of the Universidade Estadual Paulista received a free-living crab-eating fox aged approximately 21 days and apparently healthy. After 13 days, the animal presented anorexia, diarrhea, fever, prostration, and neurological signs progressing to death with an inconclusive diagnosis. In a retrospective study, tissue fragments stored at - 80 degrees C were used to identify nucleic acids from major canine viruses, such as canine parvovirus-2 (CPV-2), canine adenovirus A types 1 and 2, canid alphaherpesvirus 1, and canine distemper virus. The amplified product with the expected length for CPV-2 was obtained from the heart fragment. After performing nucleotide (nt) sequencing of the amplicon, it was possible to demonstrate that the crab-eating fox strain exhibited high (99.8%) nt identity with the CPV-2b prototype (CPV-39 strain). Additionally, deduced amino acid (aa) sequence analysis showed the GAT codon for the aa Asp (D) at position 426 of the CPV-2 viral protein VP2, which characterizes the subtype 2b. To the best of the authors' knowledge, this report describes the first detection of CPV-2b DNA in tissue fragments from a crab-eating fox.
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