期刊名称:Journal of FisheriesSciences.com / Su ÜrünleriBilimeri.com
印刷版ISSN:1307-234X
出版年度:2020
卷号:14
期号:1
页码:7-11
DOI:10.36648/1307-234X.14.1.171
出版社:Istanbul University
摘要:Retention and mortality rates of 243 Rainbow Trout Oncorhynchus mykiss (73-119 mm) implanted with8, 9, and 10 mm Passive Integrated Transponder (PIT) tags and 173 Brown Trout Salmo trutta (71-86mm) implanted 8 and 10 mm PIT tags were examined in a hatchery setting. Retention rates were 95.9%for Rainbow Trout and 100% for Brown Trout over the study period. Only six Rainbow Trout ejectedtags. With the 8 mm tags, two ejections occurred in the first seven days, one occurred between daysnine and 15, and one occurred between days 22 and 50. One Rainbow Trout ejected a 9 mm betweendays 22 and 50, and another Rainbow Trout ejected a 10 mm tag in the first seven days. There were nosignificant differences in weight or length of fish that ejected their tags. Over the course of the study,survival was 100% for both species. This study documents that Rainbow Trout can be successfullytagged at a minimum TL of 73 mm and Brown Trout at minimum TL of 71 mm with no adverse effectson tag retention or survival..