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Hypoxia by altitude and welfare of captive beaded lizards (Heloderma Horridum) in Mexico: hematological approaches

Guadarrama, Sonia S. autora | Domínguez Vega, Hublester [autor] | Díaz Albíter, Héctor Manuel, 1977-2021 [autor] | Quijano, Alejandro [autor] | Bastiaans, Elizabeth [autora] | Carrillo-Castilla, Porfirio [autor] | Manjarrez, Javier [autor] | Gómez Ortíz, Yuriana [autora] | Fajardo, Victor [autor].
Tipo de material: Artículo en línea Artículo en línea Tema(s): Heloderma horridum | Lagartos | Anoxia | Animales cautivos | HematologíaTema(s) en inglés: Heloderma horridum | Lizards | Hypoxia | Captive animals | HematologyNota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Journal of Applied Animal Welfare Science. volumen 23, número 1 (2020), páginas 74-82. --ISSN: 1532-7604Número de sistema: 28171Resumen:
Inglés

Heloderma horridum is one of the few known venomous lizards in the world. Their populations are in decline due to habitat destruction and capture for the pet trade. InMéxico, many zoos have decided to take care of this species, most of them at altitudes greater than the natural altitudinal distribution. However, we know little about the capacity of the reptiles to face high-altitude environments. The objective of this study was to compare hematological traits of H. horridumin captivity in high and low altitude environments. Our findings show that H. horridum does not respond to hypoxic environments, at least in blood traits, and that the organisms appear to be in homeostasis. Although we cannot know if individual H. horridum housed in high-altitude environments are completely comfortable, it appears hypoxia can be avoid without modifications of blood parameters. We suggest that future work should address changes in metabolic rates and in behavioral aspects to understand how to maintain the health and comfort of the reptiles native to low altitude when they are housed in high-altitude environments.

Recurso en línea: https://www.tandfonline.com/doi/full/10.1080/10888705.2018.1562350
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Disponible para usuarios de ECOSUR con su clave de acceso

Heloderma horridum is one of the few known venomous lizards in the world. Their populations are in decline due to habitat destruction and capture for the pet trade. InMéxico, many zoos have decided to take care of this species, most of them at altitudes greater than the natural altitudinal distribution. However, we know little about the capacity of the reptiles to face high-altitude environments. The objective of this study was to compare hematological traits of H. horridumin captivity in high and low altitude environments. Our findings show that H. horridum does not respond to hypoxic environments, at least in blood traits, and that the organisms appear to be in homeostasis. Although we cannot know if individual H. horridum housed in high-altitude environments are completely comfortable, it appears hypoxia can be avoid without modifications of blood parameters. We suggest that future work should address changes in metabolic rates and in behavioral aspects to understand how to maintain the health and comfort of the reptiles native to low altitude when they are housed in high-altitude environments. eng

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