Health status and morphometrics of Galápagos magnificent frigatebirds (Fregata magnificens magnificens) determined by hematology, biochemistry, blood gas, and physical examination.

IF 2.3 3区 生物学 Q2 MULTIDISCIPLINARY SCIENCES
PeerJ Pub Date : 2024-12-06 eCollection Date: 2024-01-01 DOI:10.7717/peerj.18609
Kimberly E Guzmán, Diane Deresienski, Juan Pablo Muñoz-Pérez, Ronald K Passingham, Alice Skehel, Catalina Ulloa, Cristina Regalado, Gregory A Lewbart, Carlos A Valle
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引用次数: 0

Abstract

The magnificent frigatebird (Fregata magnificens; MFB) is a widely distributed seabird. It has breeding areas in the tropical Atlantic Ocean and the Pacific Ocean (extending along Central America up to Baja California) (Schreiber & Burger, 2001). The Fregata magnificens magnificens (MFB-Gal) subspecies is native to the Galápagos Islands. This is the first-time hematology and blood chemistry parameters have been published for the F. m. magnificens (MFB-Gal) from the Galápagos Islands. Analysis was run on blood samples drawn from n = 16 adult MFB-Gal captured by hand at their nests at North Seymour and Daphne Major Islands in the Galápagos Islands (n = 10 MFB-Gal in June 2017 and n = 6 MFB-Gal in July 2022). There were ten female birds and six male birds in total. A portable blood analyzer (iSTAT) was used to obtain near immediate field results for total carbon dioxide (TCO2), hematocrit (Hct), hemoglobin (Hb), sodium (Na), potassium (K), chloride (Cl), ionized calcium (iCa), total protein (TP), anion gap and glucose. Blood lactate was measured using a portable Lactate Plus™ analyzer. Average heart rate, respiratory rate, body weight, body temperature, biochemistry and hematology parameters were comparable to healthy individuals of other Fregatidae of the same species (magnificent frigatebird subspecies from Brazil, Fregata magnificens, likely F. m. rothschildi) or similar species (great frigatebird, Fregata minor, from the Galápagos Islands). There were some statistically significant differences between the males and females F. m. magnificens (MFB-Gal) in the Galápagos, including bill depth, bill width, wing length, weight, and chloride blood value. The reported results provide baseline data that can be used for comparisons among populations and in detecting changes in health status among Galápagos magnificent frigatebirds and other populations of magnificent frigatebirds.

通过血液学、生物化学、血气和体格检查测定Galápagos美军舰鸟(Fregata magnificens magnificens)的健康状况和形态计量学。
华丽的军舰鸟(Fregata magnificens;海鸟(MFB)是一种分布广泛的海鸟。它的繁殖区在热带大西洋和太平洋(沿着中美洲延伸到下加利福尼亚)(Schreiber & Burger, 2001年)。Fregata magnificens magnificens (MFB-Gal)亚种原产于Galápagos群岛。这是首次发表来自Galápagos群岛的F. m. magnificens (MFB-Gal)的血液学和血液化学参数。对在Galápagos群岛北西摩岛和达芙尼大岛的巢中手工捕获的n = 16只成年MFB-Gal的血液样本进行了分析(2017年6月n = 10只,2022年7月n = 6只)。总共有10只雌鸟和6只雄鸟。使用便携式血液分析仪(iSTAT)获得近即时的总二氧化碳(TCO2)、红细胞压积(Hct)、血红蛋白(Hb)、钠(Na)、钾(K)、氯(Cl)、离子钙(iCa)、总蛋白(TP)、阴离子间隙和葡萄糖的现场结果。血乳酸使用便携式lactate Plus™分析仪测定。平均心率、呼吸频率、体重、体温、生化和血液学参数与同一物种(来自巴西的壮丽军舰鸟亚种,Fregata magnificens,可能是F. m. rothschild)或类似物种(来自Galápagos群岛的大军舰鸟,Fregata minor)的健康个体相当。雄鸟与雌鸟在Galápagos的喙深、喙宽、翅长、体重、氯血值等指标上均有统计学差异。报告的结果提供了基线数据,可用于种群之间的比较,并用于检测Galápagos壮丽军舰鸟和其他壮丽军舰鸟种群之间健康状况的变化。
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来源期刊
PeerJ
PeerJ MULTIDISCIPLINARY SCIENCES-
CiteScore
4.70
自引率
3.70%
发文量
1665
审稿时长
10 weeks
期刊介绍: PeerJ is an open access peer-reviewed scientific journal covering research in the biological and medical sciences. At PeerJ, authors take out a lifetime publication plan (for as little as $99) which allows them to publish articles in the journal for free, forever. PeerJ has 5 Nobel Prize Winners on the Board; they have won several industry and media awards; and they are widely recognized as being one of the most interesting recent developments in academic publishing.
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