Using sentinel cages to estimate infestation pressure on salmonids from sea lice in Loch Shieldaig, Scotland

Sentinel Atlantic salmon, held in cages, were used to estimate the monthly infestation pressure of sea lice at 3 locations along a salmonid migration route in Loch Shieldaig, a Scottish west coast sea loch. The study lasted 30 mo, covering an entire production cycle and fallow period at nearby fish...

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Autores principales:	CC Pert, RJ Fryer, P Cook, R Kilburn, S McBeath, A McBeath, I Matejusova, K Urquhart, SJ Weir, U McCarthy, C Collins, T Amundrud, IR Bricknell
Formato:	article
Lenguaje:	EN
Publicado:	Inter-Research 2014
Materias:	Aquaculture. Fisheries. Angling SH1-691 Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/a940a6e9f4ed4373883a7f33df69eea5
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spelling	oai:doaj.org-article:a940a6e9f4ed4373883a7f33df69eea52021-11-17T10:09:17ZUsing sentinel cages to estimate infestation pressure on salmonids from sea lice in Loch Shieldaig, Scotland1869-215X1869-753410.3354/aei00094https://doaj.org/article/a940a6e9f4ed4373883a7f33df69eea52014-03-01T00:00:00Zhttps://www.int-res.com/abstracts/aei/v5/n1/p49-59/https://doaj.org/toc/1869-215Xhttps://doaj.org/toc/1869-7534Sentinel Atlantic salmon, held in cages, were used to estimate the monthly infestation pressure of sea lice at 3 locations along a salmonid migration route in Loch Shieldaig, a Scottish west coast sea loch. The study lasted 30 mo, covering an entire production cycle and fallow period at nearby fish farms. A total of 5007 sea lice were sampled from 3097 sentinel fish, with over 99% of these being Lepeophtheirus salmonis. Infestation pressure was higher in cages nearer the head of the loch and the River Shieldaig estuary. Copepodids were the main infective life cycle stage, but a few (0.5% of total lice sampled) mobile pre-adult and adult stages were also found on the sentinel fish. Infestation pressure on the sentinel fish was correlated with gravid L. salmonis counts from nearby farms. However, there was no evidence that particular events, such as treatments, at the farms led directly to changes in infestation pressure. These findings suggest that, although aquaculture is a contributor of sea lice larvae into the Torridon system, further work is required to determine factors influencing the relationship between farm sea lice levels and infestation pressure in the wider environment.CC PertRJ FryerP CookR KilburnS McBeathA McBeathI MatejusovaK UrquhartSJ WeirU McCarthyC CollinsT AmundrudIR BricknellInter-ResearcharticleAquaculture. Fisheries. AnglingSH1-691EcologyQH540-549.5ENAquaculture Environment Interactions, Vol 5, Iss 1, Pp 49-59 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Aquaculture. Fisheries. Angling SH1-691 Ecology QH540-549.5
spellingShingle	Aquaculture. Fisheries. Angling SH1-691 Ecology QH540-549.5 CC Pert RJ Fryer P Cook R Kilburn S McBeath A McBeath I Matejusova K Urquhart SJ Weir U McCarthy C Collins T Amundrud IR Bricknell Using sentinel cages to estimate infestation pressure on salmonids from sea lice in Loch Shieldaig, Scotland
description	Sentinel Atlantic salmon, held in cages, were used to estimate the monthly infestation pressure of sea lice at 3 locations along a salmonid migration route in Loch Shieldaig, a Scottish west coast sea loch. The study lasted 30 mo, covering an entire production cycle and fallow period at nearby fish farms. A total of 5007 sea lice were sampled from 3097 sentinel fish, with over 99% of these being Lepeophtheirus salmonis. Infestation pressure was higher in cages nearer the head of the loch and the River Shieldaig estuary. Copepodids were the main infective life cycle stage, but a few (0.5% of total lice sampled) mobile pre-adult and adult stages were also found on the sentinel fish. Infestation pressure on the sentinel fish was correlated with gravid L. salmonis counts from nearby farms. However, there was no evidence that particular events, such as treatments, at the farms led directly to changes in infestation pressure. These findings suggest that, although aquaculture is a contributor of sea lice larvae into the Torridon system, further work is required to determine factors influencing the relationship between farm sea lice levels and infestation pressure in the wider environment.
format	article
author	CC Pert RJ Fryer P Cook R Kilburn S McBeath A McBeath I Matejusova K Urquhart SJ Weir U McCarthy C Collins T Amundrud IR Bricknell
author_facet	CC Pert RJ Fryer P Cook R Kilburn S McBeath A McBeath I Matejusova K Urquhart SJ Weir U McCarthy C Collins T Amundrud IR Bricknell
author_sort	CC Pert
title	Using sentinel cages to estimate infestation pressure on salmonids from sea lice in Loch Shieldaig, Scotland
title_short	Using sentinel cages to estimate infestation pressure on salmonids from sea lice in Loch Shieldaig, Scotland
title_full	Using sentinel cages to estimate infestation pressure on salmonids from sea lice in Loch Shieldaig, Scotland
title_fullStr	Using sentinel cages to estimate infestation pressure on salmonids from sea lice in Loch Shieldaig, Scotland
title_full_unstemmed	Using sentinel cages to estimate infestation pressure on salmonids from sea lice in Loch Shieldaig, Scotland
title_sort	using sentinel cages to estimate infestation pressure on salmonids from sea lice in loch shieldaig, scotland
publisher	Inter-Research
publishDate	2014
url	https://doaj.org/article/a940a6e9f4ed4373883a7f33df69eea5
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Using sentinel cages to estimate infestation pressure on salmonids from sea lice in Loch Shieldaig, Scotland

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