Haematology and plasma biochemistry reference intervals of Española, San Cristobal and Eastern Santa Cruz Galapagos tortoise species.

IF 2.6 3区环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Conservation Physiology Pub Date : 2024-08-15 eCollection Date: 2024-01-01 DOI:10.1093/conphys/coae055

Ainoa Nieto-Claudín, Jamie L Palmer, Maris Brenn-White, Fernando Esperón, Sharon L Deem

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Abstract

Normal reference intervals (RI) of hematologic and biochemical parameters are important for assessing and monitoring the health status of captive and free-living chelonians; however, such information is not available for most wildlife species. Giant Galapagos tortoises are one of the most iconic animals on earth and health information can make an important contribution to their conservation and management. This study provides formal RI of haematology and plasma biochemistry parameters and describes cell morphology along with morphometrics of free-living Eastern Santa Cruz (Chelonoidis donfaustoi), Española (Chelonoidis hoodensis) and San Cristóbal tortoises (Chelonoidis chathamensis). We explored differences in blood parameters between sexes, across the tortoise species in this study and with previously published RI of the Western Santa Cruz tortoise (Chelonoidis porteri). Biochemistry parameters of both Santa Cruz species were overall more similar to each other than to Española and San Cristobal tortoises. This research constitutes the first RI for these three Galapagos tortoise species and may be of value for advising captive-breeding and conservation plans. We recommend further research to establish RI in additional tortoise species so we may better understand and interpret haematology and biochemistry parameters as a valuable conservation tool for species of this critically endangered taxon.

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埃斯帕尼奥拉、圣克里斯托瓦尔和东圣克鲁斯加拉帕戈斯龟类的血液学和血浆生物化学参考区间。

血液学和生化参数的正常参考区间（RI）对于评估和监测人工饲养和自由生活的螯足类动物的健康状况非常重要；然而，大多数野生动物物种都没有此类信息。巨型加拉帕戈斯陆龟是地球上最具标志性的动物之一，其健康信息可为其保护和管理做出重要贡献。本研究对自由生活的东圣克鲁斯陆龟（Chelonoidis donfaustoi）、埃斯帕诺拉陆龟（Chelonoidis hoodensis）和圣克里斯托瓦尔陆龟（Chelonoidis chathamensis）的血液学和血浆生化参数进行了正式的 RI，并描述了细胞形态和形态计量学。我们在本研究中探讨了不同性别、不同龟种之间血液参数的差异，以及与之前发表的西部圣克鲁斯陆龟（Chelonoidis porteri）RI的差异。与埃斯帕尼奥拉陆龟和圣克里斯托瓦尔陆龟相比，圣克鲁斯两种陆龟的生化参数总体上更为相似。这项研究首次为这三种加拉帕戈斯陆龟建立了RI，可能对圈养繁殖和保护计划有参考价值。我们建议开展进一步研究，在其他陆龟物种中建立 RI，以便更好地理解和解释血液学和生物化学参数，将其作为保护这一极度濒危类群物种的宝贵工具。

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来源期刊

Conservation Physiology Environmental Science-Management, Monitoring, Policy and Law

CiteScore

5.10

自引率

3.70%

发文量

审稿时长

11 weeks

期刊介绍： Conservation Physiology is an online only, fully open access journal published on behalf of the Society for Experimental Biology. Biodiversity across the globe faces a growing number of threats associated with human activities. Conservation Physiology will publish research on all taxa (microbes, plants and animals) focused on understanding and predicting how organisms, populations, ecosystems and natural resources respond to environmental change and stressors. Physiology is considered in the broadest possible terms to include functional and mechanistic responses at all scales. We also welcome research towards developing and refining strategies to rebuild populations, restore ecosystems, inform conservation policy, and manage living resources. We define conservation physiology broadly and encourage potential authors to contact the editorial team if they have any questions regarding the remit of the journal.