2014
DOI: 10.1002/ps.3692
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Delousing efficiency of farmed ballan wrasse (Labrus bergylta) against Lepeophtheirus salmonis infecting Atlantic salmon (Salmo salar) post‐smolts

Abstract: Farmed ballan wrasse are confirmed as highly effective therapeutic and preventive biological controls against sea-lice. The study supports the current minimum hatchery size target (10 mm total length) and the use of supplementary feeding to sustain the wrasse stocks in operation. The functional predator response and the standardised decline time constant of sea-louse abundance are proposed as useful indicators of delousing efficiency.

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Cited by 64 publications
(66 citation statements)
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“…This is due to the proven delousing efficiency of farmed ballan wrasse (Skiftesvik et al 2013;Leclercq et al 2014a) alongside practical difficulties and sustainability concerns associated with the catching and stocking of wild wrasse.…”
Section: Introductionmentioning
confidence: 99%
“…This is due to the proven delousing efficiency of farmed ballan wrasse (Skiftesvik et al 2013;Leclercq et al 2014a) alongside practical difficulties and sustainability concerns associated with the catching and stocking of wild wrasse.…”
Section: Introductionmentioning
confidence: 99%
“…Lumpfish in sea pens are strongly opportunistic and the fish do not restrict themselves or rely on a single food source if others are present (Imsland et al., ) and a very high proportion of the lumpfish in salmon sea pens are found with pellets in their stomach (Imsland, Reynolds, Eliassen, Hangstad, Foss, et al., ; Imsland et al., ). Thus it is becoming increasingly evident that the supplementary feeding of cleaner fish deployed within commercial salmon pens is necessary (Leclercq, Davie, & Migaud, ; Leclercq, Graham, & Migaud, ) to maintain the nutritional condition, welfare and efficacy of the biological controls over the Atlantic salmon grow‐out cycle typically lasting 18–22 months. Therefore, a feed source adapted to the species grazing feeding habit and to the salmon net‐pens rearing environment has first to be developed.…”
Section: Introductionmentioning
confidence: 99%
“…Но следует учитывать, что, во-первых, указан-ные виды, резко снижая вероятность зараже-ния ISAV, тем не менее, не исключают её вовсе; во-вторых, совместное содержание в садках рыборазводной фермы одновременно двух видов рыб требует перестройки всех зоотехнических мероприятий. Поэтому дан-ный подход, в настоящее время, обсуждается [43], но практически пока не применяется.…”
Section: рисunclassified