Evaluation of physiological stress in adult males of Peromyscus difficilis felipensis (Rodentia: Muridae) in a mid-latitude temperate forest

Autores

  • Arturo Salame-Méndez
  • Moisés Andrade-Herrera
  • Alondra Castro-Campillo
  • Juan Luis Patiño-Ortega
  • Noé González-Ruiz
  • José Ramírez-Pulido

DOI:

https://doi.org/10.34188/bjaerv8n1-074

Palavras-chave:

rodents, Peromyscus, ecophysiology, physiological stress, glucocorticoids

Resumo

An interesting question in ecophysiology is whether shifts in environmental conditions produce stress responses in mid-latitude wild populations of rodents. Here we tested for seasonal statistical differences in body weight, adrenal gland weight, together with two indicators of physiological stress (corticosterone, CORT; catalase, CAT) in wild adult males of the Rock Mouse (Peromyscus difficilis) during the dry (October – February) and rainy seasons (March – July) of a midlatitude, mixed temperate forest. There were no statistical differences, but the weights tended to be higher during the rainy season; whereas, both CORT levels and CAT activity tended to be higher during the dry season, the time when the reproductive season takes place. Our findings suggest that the energetic cost of reproduction is a primary stress factor for P. difficilis, surpassing abiotic environmental shifts.

Referências

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Salame-Méndez, A., Castro-Campillo, A., Escobar-Flores, J., Vergara-Huerta, J., Serrano, H., García-Suárez, D., Haro-Castellanos, J., González-Ruiz, N., & Ramírez-Pulido, J. (2020). Ecophysiological relationships of environment and reproduction in males of Rock Mouse (Peromyscus difficilis felipensis) at temperate forest. International Journal of Zoological Research, 16: 69-78. doi: 10.3923/ijzr.2020.69.78

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Publicado

2025-02-09

Como Citar

Salame-Méndez, A., Andrade-Herrera, M., Castro-Campillo, A., Patiño-Ortega, J. L., González-Ruiz, N., & Ramírez-Pulido, J. (2025). Evaluation of physiological stress in adult males of Peromyscus difficilis felipensis (Rodentia: Muridae) in a mid-latitude temperate forest. Brazilian Journal of Animal and Environmental Research, 8(1), e77431. https://doi.org/10.34188/bjaerv8n1-074

Edição

v. 8 n. 1 (2025)

Seção

Artigos originais

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Brazilian Journal of Animal and Environmental Research (BJAER) se reserva o direito de efetuar nos originais alterações de ordem normativa, ortográfica e gramatical, com vistas a manter o padrão culto da língua, respeitando, porém, o estilo dos autores. Os trabalhos finais não serão enviadas aos autores.