墨西哥集约化养殖美洲牛蛙(Lithobates catesbeianus)表型变异:初步报告

IF 0.2 4区 农林科学 Q2 Veterinary
Braulio Ayala-García, A. L. Fuentes-Farías, G. Gutiérrez-Ospina
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引用次数: 1

摘要

引用本文为:Ayala-Garcia B, Fuentes-Farias AL, Gutierrez-Ospina G.墨西哥集约化系统饲养的美洲牛蛙(Lithobates catesbeianus)的表型变异:初步报告。墨西哥兽医局。2020; 7(1)。Doi: 10.22201/fmvz.24486760e.2020.1.747。自1925年以来,墨西哥的商业牛蛙养殖稳步增长,以满足国内和国际市场。但是,集约化生产系统仍然很少,需要信息来帮助进一步促进其发展。因此,本研究旨在描述和比较集约化培养系统下饲养的牛蛙的形态计量学和生理性状。研究中使用了来自三个不同州五个农场的三岁成年成年鱼(n = 100),以及来自其中两个地区的一岁幼年鱼(n = 60)。体重指数(SMI)的计算考虑了体重和口鼻长度的测量。测定了幼鱼的红细胞比容和白细胞浓度,并建立了白细胞谱。八个线性(基于头骨照片的测量)加上一个几何变量,被用于形态计量学分析。结果表明,未成年蛙的SMI在不同地区和性别之间没有差异,而成年蛙的SMI在不同性别和不同养殖场之间存在差异(p < 0.001)。少年个体的红细胞压积和中性粒细胞浓度也因地区而异。对幼蛙的线性和几何形态分析显示两性之间(p < 0.001)和地域之间(p < 0.001)存在差异,后者表明该物种至少存在两种形态型。本研究提供了相关信息,以帮助推进墨西哥牛蛙养殖。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Phenotypic variation in American bullfrogs (Lithobates catesbeianus) bred under intensive systems in Mexico: A preliminary report
Veterinaria Mexico OA ISSN: 2448-6760 Cite this as: Ayala-Garcia B, Fuentes-Farias AL, Gutierrez-Ospina G. Phenotypic variation in American bullfrogs ( Lithobates catesbeianus ) bred under intensive systems in Mexico: A preliminary report. Veterinaria Mexico OA. 2020;7(1). doi: 10.22201/fmvz.24486760e.2020.1.747 . Commercial bullfrog farming has increased steadily in Mexico from 1925 to satisfy both the national and international markets. However, intensive production systems are still scarce, and there is a need for information to help further advance their development. Therefore, this study aimed to characterize and compare morphometric and physiological traits of bullfrogs bred under intensive culture systems. Three-year-old breeding adults (n = 100) from five farms in three different states, and one-year old juveniles (n = 60) from two of these locations, were used in the study. The scaled mass index (SMI) was calculated by considering body weight and snout-vent length measurements. Hematocrit and white blood cell concentrations were determined in juveniles, and a leukocyte profile was established. Eight linear (based on measurements from photographs of the skull), plus one geometric, variables, were used for morphometric analyses. Results show that the SMI did not vary between localities or gender in juvenile frogs, while differences were found both between sexes (p < 0.026) and between farms (p < 0.001) in adult frogs. Hematocrit and neutrophil concentrations in juvenile individuals also differed between localities. Linear and geometric morphometric analyses in juvenile frogs showed differences between sexes (p < 0.001) and between localities (p < 0.001), the latter suggesting the existence of at least two morphotypes of this species. This study presents relevant information to help advance bullfrog farming in Mexico.
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来源期刊
Veterinaria Mexico
Veterinaria Mexico VETERINARY SCIENCES-
自引率
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0
审稿时长
>12 weeks
期刊介绍: Veterinaria México OA (ISSN 2448-6760) is an online scientific journal edited by Universidad Nacional Autónoma de México (UNAM). The journal is Open Access and follows UNAM''s initiative, to transmit knowledge free of charge to the readership and authors, with no Article Processing Charges. This journal publishes advances in Veterinary Sciences and Animal Production, and to reach more lectures across the world the journal was updated since 2014 from its predecessor printed in paper Veterinaria México (ISSN 0301-5092) and its digital version (ISSN 2007-5472).
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