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An evaluation of soybean meal quality
https://www.globalseafood.org/advocate/an-evaluation-of-soybean-meal-quality/…animals, and is becoming a major component of modern aquaculture feeds. Interest in vegetable-protein-only feeds for aquaculture is increasing with recent concerns over the potential for disease transmission from animal…
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Marine agronomy: A sustainable alternative for coastal communities in developing countries
https://www.globalseafood.org/advocate/marine-agronomy-a-sustainable-alternative-for-coastal-communities-in-developing-countries/…several factors, including light availability, water exchange, salinity ranges, nutrient levels and predators (grazers). In the Caribbean and South America, successful introductions are already reported in Cuba and Brazil, with…
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Bullfrog farming: Comparison of inundated and semi-dry ongrowing methods
https://www.globalseafood.org/advocate/bullfrog-farming-comparison-of-inundated-and-semi-dry-ongrowing-methods/…period. Comparative management characteristics of semi-dry and wet systems Table 1 presents the main management characteristics employed in both the semi-dry and the wet frog fattening systems. The wet system…
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Emergy synthesis assessment of tilapia farming in biofloc systems
https://www.globalseafood.org/advocate/emergy-synthesis-assessment-of-tilapia-farming-in-biofloc-systems/…aquaculture systems assessed by emergy, feed was not the most representative item in the synthesis of the BFT farm. This was probably due to the low amount of feed usually…
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Researchers develop a biodegradable film that keeps food fresh for longer
https://www.globalseafood.org/advocate/researchers-develop-a-biodegradable-film-that-keeps-food-fresh-for-longer/…research group in São Paulo state, Brazil, comprising scientists in the Department of Materials Engineering and Bioprocesses at the State University of Campinas’s School of Chemical Engineering (FEQ-UNICAMP) and the…
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Evaluating soy lecithin supplementation in Nile tilapia raised in suboptimal temperatures
https://www.globalseafood.org/advocate/evaluating-soy-lecithin-supplementation-in-nile-tilapia-raised-in-suboptimal-temperatures/…mostly from the omega-3 series, improved the growth and feed efficiency of Nile tilapia (Oreochromis niloticus) reared at suboptimal temperatures. Other studies have reported that thermal tolerance and survival were…
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Responsible Seafood Summit 2023 blog – the Advocate reports from Saint John
https://www.globalseafood.org/advocate/responsible-seafood-summit-2023-blog-the-advocate-reports-from-saint-john/…global shrimp supply is expected to be flat or slightly lower in 2023,” said Nikolik. “But a return to growth is expected in 2024.” Findings indicate that shrimp production in…
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Annual farmed shrimp production survey: A slight decrease in production reduction in 2023 with hopes for renewed growth in 2024
https://www.globalseafood.org/advocate/annual-farmed-shrimp-production-survey-a-slight-decrease-in-production-reduction-in-2023-with-hopes-for-renewed-growth-in-2024/…monodon. Fig. 2: Asia’s total shrimp supply is expected to decline in 2023, the first decline in shrimp production since 2013. Black tiger shrimp continues its strong comeback across Asia,…
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Black soldier fly larvae meal cost-effectively replaces fishmeal in Pacific white shrimp postlarvae nursery diets
https://www.globalseafood.org/advocate/black-soldier-fly-larvae-meal-cost-effectively-replaces-fishmeal-in-pacific-white-shrimp-postlarvae-nursery-diets/…(as-is basis) served as the control. This initial set-up allowed 10 replicate tanks per feeding treatment. At harvest, shrimp survival, feed efficiency and growth performance from each tank were determined….
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Evaluating the effect of protists in diets for Pacific white shrimp
https://www.globalseafood.org/advocate/evaluating-the-effect-of-protists-in-diets-for-pacific-white-shrimp/…feed intake and animals remaining immobile. However, this was not the case in our study, as the shrimp exhibited relatively active feeding behavior and feed consumption. This may be related…
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Green or muddy water in high-density tilapia ponds: Comparing performance, water quality and off-flavor intensity
https://www.globalseafood.org/advocate/auto-draftgreen-or-muddy-water-in-high-density-tilapia-ponds-comparing-performance-water-quality-and-off-flavor-intensity/…and water quality management in muddy waters, these differences in growth and FCR can be reduced. Tilapia aquaculture in Brazil has surged over the last two decades, with cage culture…
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Aquaculture Exchange: Rick Barrows
https://www.globalseafood.org/advocate/aquaculture-exchange-rick-barrows/…approval and alternative feed development. This could include feeds ranging from larval weaning or starter feeds, through grow-out and on to [broodstock] feeds. Is changing the fish’s diet at various…
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Optimizing tilapia biofloc technology systems, part 2
https://www.globalseafood.org/advocate/optimizing-tilapia-biofloc-technology-systems-part-2/…N in farmed organisms. Specialized feeds produced on-site Feeds including broodfish diets, starter feeds and specialized C/N ratio feeds are all produced on-site using a low-cost moist pellet milling plant…
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Lifecycle analysis model quantifies ecological footprint of salmon feed
https://www.globalseafood.org/advocate/lifecycle-analysis-model-quantifies-ecological-footprint-of-salmon-feed/…crop. This is perhaps the largest driver in the overall feed eco-footprinting. Other important drivers include the energy used to produce, process and transport the feed inputs, along with feed…
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Mycotoxins in feed affect fish health, performance
https://www.globalseafood.org/advocate/mycotoxins-in-feed-affect-fish-health-performance/Aquafeed manufacturers must implement risk management strategies A trial at the University of Guelph Fish Nutrition Research Laboratory suggested that when used in feed, corn-based ingredients containing low levels of…
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CART regulates food intake in channel catfish
https://www.globalseafood.org/advocate/cart-regulates-food-intake-in-channel-catfish/…farmers reduce their feed costs is the use of catfish that are more efficient converters of feed to muscle. Fish with superior feed conversion must be identified and lines developed…
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Aquatic feed manufacturing, part 2
https://www.globalseafood.org/advocate/aquatic-feed-manufacturing-part-2/Grinding shrimp feeds The first processing step in the production of shrimp feeds is the grinding of ingredients for a formula, either individually or as a group. Grinding reduces the…
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Quantifying greenhouse gas emissions from global aquaculture
https://www.globalseafood.org/advocate/quantifying-greenhouse-gas-emissions-from-global-aquaculture/…method quantifies the main GHG emissions arising “cradle to farm-gate” from the following activities: the production of aquafeed raw materials; processing and transport of feed materials; production of compound feed…