Search Results - "Overton, Kathy"

Salmon lice treatments and salmon mortality in Norwegian aquaculture: a review by Overton, Kathy, Dempster, Tim, Oppedal, Frode, Kristiansen, Tore S., Gismervik, Kristine, Stien, Lars H.

“…With the expansion of Atlantic salmon aquaculture, the economic and ecological impacts of salmon lice (Lepeophtheirus salmonis) has increased. Norway battles…”
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Regional and seasonal activity predictions for fall armyworm in Australia by Maino, James L., Schouten, Rafael, Overton, Kathy, Day, Roger, Ekesi, Sunday, Bett, Bosibori, Barton, Madeleine, Gregg, Peter C., Umina, Paul A., Reynolds, Olivia L.

“…•We develop a spatial model of population growth and dispersal for the fall armyworm.•The model accurately predicts the native and invasive ranges across the…”
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Toxicity of Insecticides and Miticides to Natural Enemies in Australian Grains: A Review by Overton, Kathy, Hoffmann, Ary A, Reynolds, Olivia L, Umina, Paul A

“…Continued prophylactic chemical control to reduce pest populations in Australian grain farming systems has limited the effectiveness of biological control via…”
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Global crop impacts, yield losses and action thresholds for fall armyworm (Spodoptera frugiperda): A review by Overton, Kathy, Maino, James L., Day, Roger, Umina, Paul A., Bett, Bosibori, Carnovale, Daniela, Ekesi, Sunday, Meagher, Robert, Reynolds, Olivia L.

“…The fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), is a highly polyphagous plant pest that can severely impact yields of…”
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Predictors of outplanted marine bivalve survival in restoration: A review and synthesis by Overton, Kathy, Dempster, Tim, Swearer, Stephen E., Morris, Rebecca L., Barrett, Luke T.

“…Abstract Global declines in marine shellfish have resulted in widespread efforts to restore populations. Previous research has predominantly focused on…”
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Effect of cleaner fish on sea lice in Norwegian salmon aquaculture: a national scale data analysis by Barrett, Luke T., Overton, Kathy, Stien, Lars H., Oppedal, Frode, Dempster, Tim

“…[Display omitted] •The use of cleaner fish was not correlated with sea louse infestation density.•Farms that used many cleaner fish were able to wait longer…”
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Stocking density and rearing environment affect external condition, gonad quantity and gonad grade in onshore sea urchin roe enhancement aquaculture by Warren-Myers, Fletcher, Swearer, Stephen E., Overton, Kathy, Dempster, Tim

“…Finding the ideal density to optimise growth, health and welfare of aquaculture species reared in cage or tank environments allows farmers to produce the best…”
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Achieving conservation and restoration outcomes through ecologically beneficial aquaculture by Overton, Kathy, Dempster, Tim, Swearer, Stephen E., Morris, Rebecca L., Barrett, Luke T.

“…A range of conservation and restoration tools are needed to safeguard the structure and function of aquatic ecosystems. Aquaculture, the culturing of aquatic…”
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Lethal impacts of insecticides and miticides on three agriculturally important aphid parasitoids by Overton, Kathy, Ward, Samantha E., Hoffmann, Ary A., Umina, Paul A.

“…•We tested the toxicity of 20 pesticides against 3 globally important aphid parasitoids.•The aphelinid Aphelinus abdominalis showed greater tolerance than the…”
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Parasites under pressure: salmon lice have the capacity to adapt to depth-based preventions in aquaculture by Coates, Andrew, Phillips, Ben L., Oppedal, Frode, Bui, Samantha, Overton, Kathy, Dempster, Tim

“…[Display omitted] •Salmon louse copepodids adjust swimming behaviour in response to changes in hydrostatic pressure.•The pressure response differs between…”
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Jumping to treat sea lice: Harnessing salmon behaviour to enable surface-based chemotherapeutant application by Dempster, Tim, Bui, Samantha, Overton, Kathy, Oppedal, Frode

“…Salmon lice removal with chemotherapeutants often occurs via bathing in cages or well-boats. These methods of administering chemotherapeutants require handling…”
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The use and effects of hydrogen peroxide on salmon lice and post-smolt Atlantic salmon by Overton, Kathy, Samsing, Francisca, Oppedal, Frode, Dalvin, Sussie, Stien, Lars H., Dempster, Tim

“…When salmon lice, Lepeophtheirus salmonis, infect Atlantic salmon, they are typically removed by chemical or mechanical treatments. Delousing side effects can…”
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Acute toxicity effects of pesticides on beneficial organisms – Dispelling myths for a more sustainable use of chemicals in agricultural environments by Mata, Luis, Knapp, Rosemary A., McDougall, Robert, Overton, Kathy, Hoffmann, Ary A., Umina, Paul A.

“…Agricultural practitioners, researchers and policymakers are increasingly advocating for integrated pest management (IPM) to reduce pesticide use while…”
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Algal supplements in formulated feeds: Effects on sea urchin gonad quality by Warren-Myers, Fletcher, Swearer, Stephen E., Francis, David S., Turchini, Giovanni M., Overton, Kathy, Dempster, Tim

“…In the effort to increase the commercial value of urchin gonads produced via roe enhancement aquaculture, a variety of formulated feeds have been tested to…”
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Thermal delousing with cold water: Effects on salmon lice removal and salmon welfare by Overton, Kathy, Oppedal, Frode, Stien, Lars H., Moltumyr, Lene, Wright, Daniel W., Dempster, Tim

“…Warm water thermal treatments dominate delousing operations in Norwegian Atlantic salmon (Salmo salar) aquaculture for the removal of ectoparasitic salmon lice…”
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Lowering treatment temperature reduces salmon mortality: a new way to treat with hydrogen peroxide in aquaculture by Overton, Kathy, Samsing, Francisca, Oppedal, Frode, Stien, Lars H, Dempster, Tim

“…BACKGROUND Hydrogen peroxide (H2O2) baths are widely used to reduce numbers of salmon lice on farmed Atlantic salmon. Fish mortalities often occur after baths,…”
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Aerial exposure tolerance of juvenile flat oysters (Ostrea angasi) depends on shell length and air temperature by Overton, Kathy, Dempster, Tim, Swearer, Stephen E., Morris, Rebecca L., Barrett, Luke T.

“…Oyster reefs have declined globally, impacting ecosystem structure, function, and services. The flat oyster Ostrea angasi was a dominant ecosystem engineer…”
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Sea lice removal by cleaner fish in salmon aquaculture: a review of the evidence base by Overton, Kathy, Barrett, Luke T., Oppedal, Frode, Kristiansen, Tore S., Dempster, Tim

“…Stocking cleaner fish to control sea lice infestations in Atlantic salmon farms is widespread and is viewed as a salmon welfare-friendly alternative to current…”
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Corrigendum to ‘The use and effects of hydrogen peroxide on salmon lice and post-smolt Atlantic salmon’[Aquaculture 486 (2018) 246–252] by Overton, Kathy, Samsing, Francisca, Oppedal, Frode, Dalvin, Sussie, Stien, Lars H., Dempster, Tim

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Lowering treatment temperature reduces salmon mortality: a new way to treat with hydrogen peroxide in aquaculture by Overton, Kathy, Samsing, Francisca, Oppedal, Frode, Stien, Lars H, Dempster, Tim

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