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Kona-line SPF shrimp, Vibrio penaeicida candidates for bacterial challenge model
https://www.globalseafood.org/advocate/kona-line-spf-shrimp-vibrio-penaeicida-candidates-for-bacterial-challenge-model/…per shrimp and 25, 20 and 68 percent for the three experiments that included 500 colony-forming unit per shrimp. Shrimp injected with 250 and 125 colony-forming unit per shrimp showed…
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Improved nutrition enhances immune competence, disease resistance in penaeid shrimp
https://www.globalseafood.org/advocate/improved-nutrition-enhances-immune-competence-disease-resistance-in-penaeid-shrimp/…count (per mm3 of haemolymph) between shrimp acclimated to commercial feed and shrimp fed experimental feeds during 21 days. Fig. 1: Evolution of basal (NBTb) and stimulated (NBTs) phagocytosis…
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Alternative, low-cost artificial sea salt mixtures for intensive, indoor shrimp production
https://www.globalseafood.org/advocate/alternative-low-cost-artificial-sea-salt-mixtures-for-intensive-indoor-shrimp-production/…individual shrimp weight of 2.9 grams per shrimp. The study lasted 86 days, and at harvest, all shrimp were weighed and counted. The data gathered from the harvest was used…
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Use caution when predicting profitability with feed cost per unit gain metrics
https://www.globalseafood.org/advocate/use-caution-when-predicting-profitability-with-feed-cost-unit-gain-metrics/…of feed required to produce a unit of gain, by the unit cost of feed. See example below. 1.42 (FCR) x U.S. $1.04 (Feed cost/kg) = $1.48 (Feed cost/unit gain)…
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A case for better shrimp nutrition
https://www.globalseafood.org/advocate/a-case-for-better-shrimp-nutrition/…and other treatments. Anti-metabolites Feed contaminants such as mycotoxins and heavy metals. Table 1. Effects and interactions of nutrition, feeds and feeding on shrimp performance. Feed is the primary contributor…
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A look at India’s fish feed industry
https://www.globalseafood.org/advocate/a-look-at-indias-fish-feed-industry/…30,000 60,000 Uno Feeds 30,000 60,000 Growel Feeds 60,000 90,000 Kwality Feeds 69,000 60,000 C. P. Feeds 30,000 – Rudra Techno Feeds 60,000 – Mulpuri Feeds – 90,000 Nexus Feeds…
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The hidden benefits and risks of partial protection for coral reef fisheries
https://www.globalseafood.org/advocate/the-hidden-benefits-and-risks-of-partial-protection-for-coral-reef-fisheries/…management globally (69 percent of all marine managed areas). However, as a management tool, the value of PPAs differs depending on whether the desired outcomes are rooted in conservation or…
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Modeling future carbon emissions from global mangrove forest loss
https://www.globalseafood.org/advocate/modeling-future-carbon-emissions-from-global-mangrove-forest-loss/Results show regions in need of policy actions to address emissions arising from mangrove loss, and the management drivers This study developed a spatial model that projects emissions caused by…
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Increased density improves grouper feeding response, growth
https://www.globalseafood.org/advocate/increased-density-improves-grouper-feeding-response-growth/…The grouper were fed manually twice a day to apparent satiation, and feed intake was recorded daily. Feeding ceased once pellets were found remaining on the bottoms of the tank…
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Holding gravid catfish in mesh bags reduces stress, improves reproduction
https://www.globalseafood.org/advocate/holding-gravid-catfish-in-mesh-bags-reduces-stress-improves-reproduction/Increased fry production negates expense of spawning bags, additional hatchery resources and labor Raising individual catfish in suspended mesh bags reduces handling and stress, and facilitates observation for ovulation. Over…
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Diffused-air system improves oxygen levels in sea cage culture
https://www.globalseafood.org/advocate/diffused-air-system-improves-oxygen-levels-sea-cage-culture/…levels are experienced periodically during the warm season in many fish and shrimp farms. Low oxygen supply capacity during this critical period generally limits the production level of the farms….
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Dietary acidifier potassium diformate improves growth, survival in pangasius
https://www.globalseafood.org/advocate/dietary-acidifier-potassium-diformate-improves-growth-survival-in-pangasius/…variety of forms. Feed additives, dietary acidifiers The growth and health status of fish can be improved through the inclusion of feed additives in high-quality feeds. This strategy will likely…
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Acoustic control improves feeding productivity at shrimp farms
https://www.globalseafood.org/advocate/acoustic-control-improves-feeding-productivity-at-shrimp-farms/…when they eat. A strong relationship between shrimp-feeding sounds and feed intake has been confirmed with feed trays, acoustic cameras and underwater cameras. Once the shrimp-feeding intensity is known, the…
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Fishmeal replacement in cobia diets reduces costs, improves sustainability
https://www.globalseafood.org/advocate/fishmeal-replacement-cobia-diets-reduces-costs-improves-sustainability/…and the industry as a whole, is the economic and environmental sustainability of feeding carnivorous fish. Many top feed manufacturers produce diets with high inclusion levels of fishmeal and fish…
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Dietary potassium diformate improves pangasius growth performance, yield
https://www.globalseafood.org/advocate/dietary-potassium-diformate-improves-pangasius-growth-performance-yield/…status may be improved through the application of feed additives to high-quality feeds. This management strategy is one of the main factors in the success of pangasius farming in Southeast…
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Dietary potassium diformate improves growth performance of male Nile tilapia
https://www.globalseafood.org/advocate/dietary-potassium-diformate-improves-growth-performance-of-male-nile-tilapia/…tanks were given commercially formulated feed, and the rest received commercial diets supplemented with 0.3 percent potassium diformate (KDF). The commercial feed pellets were finely ground and sieved. For the…
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Shrimp sampling method improves stocking process
https://www.globalseafood.org/advocate/shrimp-sampling-method-improves-stocking-process/…for a spreadsheet, Table 1 Sample NumberWeight (g)Number of ShrimpShrimp/gCumulative Mean Shrimp/gStandard DeviationStandard ErrorConfidence BoundConfidence Bound CB/Mean 1 215.6 277 1.285 2 202.6 270 1.333 1.309 0.034 0.024 0.304 0.232…
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Product improves nitrification in RAS
https://www.globalseafood.org/advocate/product-improves-nitrification-in-ras/…a commercial-scale RAS shrimp farm observed occasional spikes of ammonia and long-sustained spikes of nitrite, which significantly impaired the health of shrimp in the production-scale raceways. To mitigate these pollutants…