A comparison of three techniques for fluorochrome marking of juvenile Clarias gariepinus otoliths

被引：2
|
作者：
Wartenberg, Reece [1 ]
Booth, Anthony J. [1 ]
Weyl, Olaf L. F. [2 ]
机构：
[1] Rhodes Univ, Dept Ichthyol & Fisheries Sci, ZA-6140 Grahamstown, South Africa
[2] S African Inst Aquat Biodivers, ZA-6140 Grahamstown, South Africa
来源：
AFRICAN ZOOLOGY | 2011年 / 46卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
African sharptooth catfish; oxytetracycline; fluorochrome marking; SHARPTOOTH CATFISH; SOUTH-AFRICA; OXYTETRACYCLINE; VALIDATION; GROWTH; FISH; AGE; CLARIIDAE; TROUT; RED;
D O I：
10.3377/004.046.0119
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
Intramuscular injection of the antibiotic oxytetracycline (OTC) has been the only method previously employed for chemically marking C. gariepinus otoliths for ageing studies. This study compared intramuscular injection, immersion, and dietary incorporation methods of administering OTC to determine the most effective technique. No differences in either growth or mortality were found between experimental groups while intramuscular injection of OTC was found to be superior to either mass immersion or dietary inclusion of OTC when marking Clarias gariepinus otoliths.
引用
收藏
页码：72 / 77
页数：6
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