Artur Nishioka Rombenso

The Commonwealth Scientific and Industrial Research Organisation | CSIRO · Agriculture and Food

It is likely that Seriola spp. have nutritional requirements for long-chain polyunsaturated fatty acids (LC-PUFAs) and are unable to meet physiological demand for these nutrients via biotransformation of C18 polyunsaturated fatty acids (C18 PUFAs). However, it is unclear whether 20:4n-6 (arachidonic acid, ARA), 20:5n-3 (eicosapentaenoic acid, EPA),...

A study was conducted to test the inclusion of Aurantiochytrium sp. meal in the rearing of Penaeus vannamei grown in a clear water system and at a suboptimal temperature of 22 °C. The doses tested were 0 (control), 1, 2, 3, and 4% at a stocking density of 100 shrimp/m3. Rearing was carried out with aeration and individual heaters, and seawater temp...

Early mild stress (EMS) is like preparedness and might help fish deal with stress appropriately. This study investigated how EMS and photoperiod changes can impact growth, haematology, blood biochemistry, immunological response, antioxidant system, liver enzymes, and stress response of oscar (Astronotus ocellatus; 7.29 ± 0.96 g) before and after ac...

This study aimed to investigate the effects of dietary protein (380 vs 510 g/kg) and duration of early mild stress (0, 2 and 4 weeks) on growth, haematology, serum biochemistry, immunological response, antioxidant system, liver enzymes, and stress responsiveness of oscar (Astronotus ocellatus; 4.7 ± 0.6 g). After the nine-week feeding trial, all fi...

Antibiotics and their secondary metabolites are commonly found in aquatic ecosystems, leading to the passive exposure of many aquatic animals to low doses of antibiotics, which can affect their health. However, there is limited information available on how to mitigate the side effects of antibiotics on normal aquatic animals. This study aimed to in...

Simple Summary With the rapid development of shrimp aquaculture, freshwater aquaculture production in China accounted for 35% of the total aquaculture production for Litopenaeus vannamei. However, the negative effects of low salinity stress also limit the production of shrimp. Therefore, the use of prebiotics is an effective strategy to alleviate t...

Simple Summary The supply of fish oil, which provides long-chain polyunsaturated fatty acids (LC-PUFA) but is mostly wild-caught, is stagnating, resulting in limited availability and high prices. Therefore, many alternative lipid sources, mainly vegetable oils and rendered animal fats, are increasingly being applied in fish feeds. However, these li...

Microbial-based ingredients are gaining in popularity due to their nutritional value and functional properties. The microbial biomass Novacq™ (CA) and commercially produced NovaqPro™ produced in Australia (RA) and Thailand (RT) were assessed at various inclusion rates (2.5–15%) in a basal practical formulation as part of a dose-response study in P....

This review provides an outline of some of the challenges facing nutritionists in the Australian aquaculture industry. It commences with a brief description of how aquaculture nutrition differs from that for terrestrial livestock – the challenges of providing nutrition in aqueous environments, the diversity of species and the high trophic level of...

This study presents the results of a Meta-analysis of the efficacy of the feed additive Novacq in Pacific white shrimp, in a joint research effort between Viet-Uc and CSIRO. Results show that this commercial additive outperformed the control diet, with larger animals (an average of 4 grams) and 25 percent greater survival rates, and also bested a b...

Simple Summary Stress plays key roles in the production and the welfare of different aquatic species. Ornamental fish farms systems, such as that of oscar, often experience mild handling stress. However, it is unknown how this early mild stress (EMS) can affect fish and other animals’ growth, physiology, and health. Another question was whether the...

We used transcriptome sequencing to investigate the hepatic postprandial responses of Rachycentron canadum (cobia), an important commercial fish species. In total, 150 cobia juveniles (50 per tank, triplicate) were fed ad libitum with a commercial diet for 7 days, fasted for 24 h, and fed for 10 min. The liver was sampled 10 min prior to feeding an...

Stress responsiveness and fish meal (FM) replacement are two of the most important concerns toward achieving sustainable aquaculture. The purpose of this study was to see how early mild stress (netting) and FM replacement with meat and bone meal (MBM) affected oscar (Astronotus ocellatus; 5.2 ± 0.9 g) growth, hematology, blood biochemistry, immune...

Authors used cell-based in vitro assays to compare the immunogenic and anti-inflammatory capacity of whole and expeller-pressed black soldier fly organic insect meals to fishmeal, cricket powder and quercetin (a plant-derived anti-inflammatory)

Selenium (Se) is an essential trace element associated with animal growth and antioxidant and metabolic processes. However, whether Se, especially organic Se with higher bioavailability, can alleviate the adverse effects of low salinity stress on marine economic crustacean species has not been investigated. Accordingly, juvenile Pacific white shrim...

This review summarises the current knowledge of mineral nutrition for penaeid shrimp. It investigates how the aquatic environment and the lifecycle of shrimp affect requirements and the role that minerals play in shrimp health. Methods of supplying minerals via either water or to feed, and novel ways of supplementing minerals within feed, are discu...

We used transcriptome sequencing to investigate the hepatic postprandial responses of Rachycentron canadum (cobia), an important commercial fish species. In total, 150 cobia juveniles (50 per tank, triplicate) were fed ad libitum with a commercial diet for 7 days, fasted for 24 h and fed for 10 min. Liver samples were sampled 10 min before and 30 m...

Objective This study investigated the effects of extruded flaxseed with and without herbs mixture on egg performance, yolk fatty acids (FAs), lipid components, blood biochemistry, serological enzymes, antioxidants, and immune system of Hy-Line W-36 hens for nine weeks. Methods Two hundred forty laying hens were randomly distributed to eight treatme...

During sample collection and transport, high‐quality nucleic acids, proteins and metabolites are preserved by snap‐freezing (SF) samples in liquid nitrogen or dry ice. In remote aquaculture facilities, SF materials are not readily available and can be hazardous during sampling and transport. RNAlater is widely used in aquaculture for transcriptome...

During sample collection and transport, high-quality nucleic acids, proteins and metabolites are preserved by snap-freezing (SF) samples in liquid nitrogen or dry ice. In remote aquaculture facilities, SF materials are not readily available and can be hazardous during sampling and transport. RNAlater is widely used in aquaculture for transcriptome...

The objective of the present study was to evaluate the effect of garlic ( Allium sativum ) in the diet of juvenile cobia Rachycentron canadum reared in near shore net pens during winter in the coast of Rio de Janeiro (Brazil). Fish (172 ± 19 g and 31.1 ± 1.4 cm) were stocked in 6 cages (n=40 per cage). Two moist diets were prepared, a control diet...

Fish nutrition has driven advances in the efficiency, sustainability, and product quality of aquaculture production, facilitating its expansion of aquaculture production [...]

Early-life exposure to mild stressors can assist animals in coping with more stressful events in later life. This study was aimed at investigating how early stress and dietary lipid contents affect growth, hematology, blood biochemistry, immunological responses, antioxidant system, liver enzymes, and stress responses of oscar (Astronotus ocellatus)...

Early-life exposure to mild stressors can assist animals in coping with more stressful events in later life. This study was aimed at investigating how early stress and dietary lipid contents affect growth, hematology, blood biochemistry, immunological responses, antioxidant system, liver enzymes, and stress responses of oscar (Astronotus ocellatus)...

Phospholipids (PL) are membrane components composed of fatty acids (FA), while triglycerides (TG) are a main source of energy and essential FA. Polyunsaturated FA (PUFA), such as docosahexaenoic acid (DHA), and eicosapentaenoic acid (EPA), are essential for marine carnivorous fish; thus, an 8-week experiment was performed to evaluate the influence...

This study investigated the effect of different dietary selenium (Se) sources on the growth performance, antioxidant capacity, gut microbiota, and molecular responses of the Pacific white shrimp Litopenaeus vannamei. Four Se sources (sodium selenite, L-selenomethionine, selenium yeast, or Se nanoparticles) were added to purified diets to 0.4 mg Se/...

Astaxanthin (Axn) is the most commonly used carotenoid to enhance the flesh colouration of salmonids, which is one of the key criteria perceived to reflect the freshness and nutritional quality of the product and consequently affecting its price. However, the digestibility of astaxanthin by salmonids is highly variable, ranging between 20% and 60%....

Accurate measurement of apparent digestibility (AD) is essential to characterise the nutritive value of ingredients in aquaculture. For crustaceans, current methods rely on collection of excreted faeces by settlement. Excreted faeces lose soluble nutrients through leaching, leading to an over-estimation of AD. An alternative approach is to remove f...

Intensification of the shrimp sector, also referred to as vertical expansion, has been predominately driven by consecutive incidences of global disease outbreaks, which have caused enormous economic loss for the main producer countries. A growing segment of the shrimp farming industry has opted to use production systems with higher density, biosecu...

At some stage, laying hen farming is likely to be subjected to sub‐optimum temperatures (SOTem) due to climate change. While egg enrichment with n‐3 fatty acids is a common practice in the poultry industry, in SOTem it has been less investigated. This study tested the effects of egg enrichment through extruded flaxseed (FLX) (180 g/kg) alone or alo...

Resumo A piscicultura brasileira se encontra em constante crescimento, sendo que 34,7% dessa produção é proveniente de espécies nativas. Dentre as espécies nativas se destacam os bagres, peixes de couro que não apresentam espinhos intramusculares e são bem aceitos pelo mercado consumidor. A presente revisão aborda a relação entre produção e pesquis...

Soybean meal has been largely investigated and commercially used in fish nutrition. However , its inclusion levels have been carefully considered due to the presence of antinutritional factors , which depending on a series of factors might induce gut inflammation damaging the mucosal integrity and causing enteritis. Several strategies including gen...

Lipids rich in saturated fatty acids (SFA) and monounsaturated fatty acids (MUFA) are among the alternative sources reported to maintain growth and tissue fatty acid composition and, in some cases, reducing the long-chain polyunsaturated fatty acids (LC-PUFA) requirements. The present works aims to investigate the effects of different SFA:MUFA rati...

The biofloc technology (BFT) was proposed as an alternative to the conventional extensive and semi-extensive aquaculture production systems. In terms of expansion, conventional systems face serious challenges such as competition for land and water and environmental regulations related to discharge of effluents which contain excess organic matter, n...

Pulses have emerged as important rotation crops in Australia. Some are in demand in agricultural production systems due to their high potential market value, because of their roles as grain or forage crops, their nitrogen fixation capability, and because they provide a disease break or improve soil health. While several pulse crops have been identi...

Fish oil (FO) is four times more expensive than it was 30 years ago, yet it remains the most economical source of eicosapentaenoic acid (20:5n-3, EPA), docosahexaenoic acid (22:6n-3, DHA) and other long-chain polyunsaturated fatty acids (LC-PUFA) for aquafeeds. Although most reduction fisheries are considered well-managed and sustainable, supplies...

This study aimed to investigate the influences of alternative lipid sources rich in saturated and monounsaturated fatty acids (SFA and MUFA) supplemented with long-chain polyunsaturated fatty acids (LC-PUFA) on production performance and lipid metabolism of Rachycentron canadum (cobia) juveniles. An 8-week feeding trial was carried out using four i...

This study evaluated the effects of three inclusion levels (3, 6, and 9%) of different processing types of flaxseed (no processing, milled and extruded) on egg performance, egg yolk fatty acids (FAs), and lipids components in yolk and blood of Hy-Line W-36 75-week-old for nine weeks. We allocated 300 laying hens to ten treatments, including control...

This comprehensive survey of the scienti􀂦c literature on macronutrient research in aquaculture nutrition between 1990 and 2020 showed the importance of jointly considering protein, lipids and carbohydrates in aquafeed formulations.

In shrimp aquaculture, manufactured diets that include various supplements and alternative fishmeal ingredients are increasingly being used and their effect on the gastrointestinal (GI) microbiota studied. However, dietary effects on different shrimp GI samples are not known. We investigated how a high (HFM) or low (LFM) fishmeal diet affects bacte...

The present study aimed to investigate the effects of different dietary arachidonic acid (ARA) levels on lipid metabolism, productive performance and biological indexes of striped bass exposed to different temperatures. Within this purpose, four isoproteic (44% of crude protein) and isolipidic (11% of lipid) experimental diets were formulated based...

This study analyzed the concentrations (dry weight basis) and bioaccumulation factors (BAF) of copper (Cu), lead (Pb), cadmium (Cd), and mercury (Hg) in pre- and post-monsoon samples at five stations (Chabahar, Darak, Gowatr, Jask, and Pozm) in the Gulf of Oman. For this purpose, ten samples of hooded oyster Saccostrea cucullata, brown algae Sargas...

This study analyzed the concentrations (dry weight basis) and bioaccumulation factors (BAF) of copper (Cu), lead (Pb), cadmium (Cd), and mercury (Hg) in pre- and post-monsoon samples at five stations (Chabahar, Darak, Gowatr, Jask, and Pozm) in the Gulf of Oman. For this purpose, ten samples of hooded oyster Saccostrea cucullata, brown algae Sargas...

Aquaculture production can be improved by understanding how ingredients can affect feed intake and digestion. This is an area poorly understood for many aquaculture species, including for the shrimp Penaeus monodon. To investigate these processes, we measured feed intake, the rate at which digesta moves through the gastro-intestinal tract, the chan...

Fish are the main source of long-chain polyunsaturated fatty acids (LC-PUFA, > C18) for human consumption. In general, it has been widely observed that the fatty acid (FA) profiles of farmed fish are reflective of the diet. However, the degree of tissue FA “distortion” based on incorporation of different dietary FA into fish tissues varies greatly...

Although Litopenaeus vannamei is the most produced and researched shrimp species worldwide, there are no published studies evaluating the use of the microbial biomass, Novacq™, in L. vannamei feeds. This study investigated the effects of supplementing Novacq™ at 100 g kg−1 in practical and commercial feeds in postlarvae 12 (PL 12) and juvenile whit...

The prebiotic effect of the agave plant polysaccharides (agavin) was evaluated to improve enteritis caused by soybean meal (SBM) in juveniles of Totoaba macdonaldi (60.8 ± 2.3 g). Four isoproteic and isolipidic diets were formulated: an FM-based formulation as reference (RD), a blend of FM and PBM (FM-PBM; 1:2 as previously shown better performance...

To date, there is no information whether this commercial additive supports similar results in culture conditions dominated by heterotrophic organisms, compared to the clear- and green-water conditions tested in prior studies. Here we present results of a study to provide initial insights on the effects of Novacq™ in different culture conditions (do...

Supplementation of herbal medicines to fish diets aiming growth and flesh quality improvements are an ongoing trend in fish nutrition research. In the present study, the effect of barberry root on growth performance, muscle fatty acids profile, whole body composition and digestive enzymes of rainbow trout were investigated. In this regard, 306 rain...

The effects of dietary hydroalcoholic extract of honey bee pollen (HBPE) on growth performance, flesh quality, immunity, and stress response were investigated. Two hundred fifty-five rainbow trout (11.14 ± 1.06 g) were fed five diets containing increasing levels of HBPE: control, 0.25HBPE (0.25 g HBPE/kg), 0.5HBPE (0.5 g HBPE/kg), 1HBPE (1 g HBPE/k...

Organic acids and their salts have been used in commercial aquafeeds as an alternative to antibiotics, growth promoters and their effect on performance and survival continue to be investigated in aquatic organisms including shrimp with a few reports on Penaeus monodon. We assessed production performance and nutrient retention efficiency of juvenile...

Animal-origin food production presents an accelerated growth worldwide due to an increase in human demand. The aquaculture sector is one of the major players in terms of volume of animal protein production, and the availability of feedstuff to supply aquaculture feed (aquafeed) chain will be one of the main challenges for the next decades. Aquafeed...

Defining nutritional fatty acid essentiality in fish nutrition is complex, given the wide range of taxonomic (e.g., divergence among species subjected to different selective pressures), biological (e.g., trophic levels, environmental tolerances), and external factors (e.g., experimental conditions, differences in feed formulation and manufacturing)...

Channel Catfish Ictalurus punctatus reportedly require α‐linolenic acid (18:3n‐3) for normal growth. However, contradicting studies suggest that elevated dietary levels of this fatty acid might cause growth inhibition, and diets containing linoleic acid (18:2n‐6) alone or in combination with 18:0 and 18:1n‐9 may support growth as well as fish oil‐b...

The present study evaluated the growth performance and whole-body composition of the hybrid red tilapia (Oreochromis mossambicus × O. aureus) raised in saltwater and fed three experimental diets containing different protein levels (25.6, 30.8 and 35.6% CP; crude protein). The hybrid red tilapia showed a high production performance across all dietar...

The use of microbial biomass meal in commercial diets for Penaeid prawns (Litopenaeus vannamei, Penaeus monodon) has been highlighted as a promising strategy to improve growth, health and sustainability. A variety of refined ingredients from microbial origin is currently available worldwide and used as feed additives (e.g., probiotic, prebiotics, i...

The use of microbial biomass as a complimentary ingredient or feed additive has been highlighted as a promising strategy to promote growth and health of Penaeid prawns (Litopenaeus vannamei and Penaeus monodon) and sustainability of aquafeeds (Burford et al., 2004; Kuhn et al., 2008, 2009; Glencross et al., 2013, 2014, 2015; Arnold et al., 2016; Qi...

The soybean meal as a possible anti-nutritional factor to result in intestinal damage in the California yellowtail, Seriola dorsalis, was study. Four diets were formulated to contain increasing amounts of soybean meal (SBM; 0, 10, 15, and 20%) at the expense of fishmeal. The diets contained similar protein and lipid levels (54 and 15%). After a 30-...

The aim of this study was to investigate the effects of methionine and taurine supplementation (individually or in combination at individual levels of 10 g/kg) on growth performance and lipid metabolism in juvenile California Yellowtail. A total of 4 dietary treatments were designed as CONTROL, MET, TAU and MET+TAU. After 6 weeks, production perfor...

An 8-week nutritional experiment was conducted with the aim of evaluating the influences of different arachidonic acid (ARA) levels and two different temperatures (29.5 °C and 26.5 °C) on the growth performance, tissue and whole-body fatty acid (FA) compositions, plasma prostaglandin concentration, liver morphology and expression of genes related t...

Long-chain polyunsaturated fatty acids (LC-PUFAs) are physiologically necessary molecules serving a number of structural and biochemical roles in vertebrates, including fishes. These fatty acids are present in significant quantity in marine-origin ingredients like fish oil that are commonly used in the manufacturing of industrially compounded aquaf...

Fishmeal sparing and replacement is still a major concern in aquaculture research. Alternative vegetable sources, in particular, soybean meal (SBM)-with the highest protein content among plant-based ingredients is one of the most promising alternative protein sources, and it already has been incorporated into the husbandry nutrition of several spec...

Spirulina has been highlighted as a valuable complementary ingredient in aquafeeds due to its high protein and vitamin content, in addition to other nutritional benefits. To evaluate the effect of dietary spirulina inclusion in fish meal sparing (FMS) on juvenile Caspian brown trout as a slow‐growth fish, a complete randomized experimental design w...

Marine fish culture, both in hatchery and grow-out systems, is prone to parasitic infestations, which lead to fish health impairment and generally high mortality rates. The most frequent disease in these cultures, amyloodiniosis, is caused by the dinoflagellate Amyloodinium ocellatum, the parasite considered to inflict the most considerable damage...

Marine fish culture, both in hatchery and grow-out systems, is prone to parasitic infestations, which lead to fish health impairment and generally high mortality rates. The most frequent disease in these cultures, amyloodiniosis, is caused by the dinoflagellate Amyloodinium ocellatum, the parasite considered to inflict the most considerable damage...

Cover picture: Magnified view of the second gill arch of juvenile yellowtail Seriola dorsalis associated with Amyloodinium ocellatum. https://www.cienciasmarinas.com.mx/index.php/cmarinas/issue/view/183

Cobia is one of the most promising warm water aquaculture species. In Brazil, cobia farming began in 2008 in the state of Rio de Janeiro from experimental scale facilities to regular near-shore farms based on fresh/frozen fish diets composed mostly of Sardinella sp. Despite the encouraging results achieved in the promotion of sustainable cobia farm...

In face of all problems regarding to the traditional tilapia food sources and production systems the search for sustainable alternatives have been increasing. Within this context, the aim of this study was to evaluate different inclusion levels of pizzeria by-product meal (0, 20, 40, 60, 80 and 100%) in diets for Nile tilapia (Oreochromis niloticus...

Extruded aquafeeds have been used to replace natural food supplies. As tuna aquaculture still relies on fish stocks, the development of formulated extruded diets is essential to guarantee its responsible intensification. Accordingly, three extrusion trials were done aiming to optimize the extrusion process in extruded tuna diets, namely, a pre-tria...

The aim of the present study was to investigate the effects of increasing levels of dietary soybean meal (SBM) with constant taurine supply in the induction of enteritis in juvenile Totoaba macdonaldi. Four isoproteic (48.5%) and isolipidic (8.6%) diets were formulated to include increasing levels of a mixture of soybean meals (SBM); (soy protein c...

Microdieta é um termo utilizado para dietas menores ou iguais a 1mm. Esse tipo de alimento é utilizado principalmente durante o período de desmame (transição gradual do alimento vivo para o alimento formulado) nas etapas de larva e de formas jovens de diferentes organismos, como peixes e camarões. Algo que a maioria das pessoas desconhece é que gra...

Diet-to-tissue transfer of long-chain polyunsaturated fatty acids (LC-PUFAs) is more efficient when diets contain saturated fatty acid (SFA) or monounsaturated fatty acid (MUFA)-rich alternative lipids. This mechanism, the omega-3 or LC-PUFA “sparing effect”, encourages more efficient metabolism of the limited LC-PUFAs available in terms of their i...

Until recently, use of antibiotics to enhance terrestrial animal growth performance was a common, U.S. Food and Drug Administration-approved, but controversial practice. There are no FDA-approved production claims for antibiotic drug use in fish, but it is a common misconception that antibiotics are widely used for this purpose in U.S. aquaculture....

Nesta coluna abordarei um tema bastante relevante na nutrição aquícola: ingredien-tes. Essa será a primeira de muitas colunas sobre o assunto. Conforme mencionei na coluna publicada na 1 a edição (jul/ago 2016) da Revis-ta Aquaculture Brasil, "É sustentável a indústria de alimentos aquícolas?" A farinha de peixe é um dos principais ingredientes uti...

A coluna passada apresentei o conceito de manejo alimentar e abordei com maiores detalhes a frequência alimentar. Se você ainda não teve a oportunidade de lê-la, recomendo que busque a edição número 8! Hoje continuarei no mesmo assunto, porém tratando sobre a taxa de arraçoamento. Vale ressaltar novamente que existe uma sinergia entre a frequência...

Sucesso da criação de qualquer espécie aquícola, em particular de peixes, depende em parte de dietas adequadas que atendam as exigências e as demandas nutricionais e de mane-jos alimentares otimizados. Já conversamos bastante sobre a importância de dietas balanceadas e formu-ladas especificamente para cada espécie, e nas duas últimas colunas ressal...

Na coluna anterior apresentei o modelo misto de alimentação intercalando duas rações com diferentes conteúdos proteicos, uma com níveis mais altos de proteína e outra com níveis mais baixos. Hoje abordarei a outra vertente desse modelo, que muitos acreditam ser a melhor das opções, a qual consiste na variação da taxa de ar-raçoamento (quantidade de...

Baja Califórnia é um estado mexicano localizado na região no- roeste do país banhado pelo oceano Pací co e o mar de Cortês. Essa região é reconhecida pelo grande potencial aquícola exemplificado por diversas iniciativas piloto-comerciais como cultivo de peixes marinhos (atum unnus orientalis, olhete Seriola dorsalis e lubina rayada Morone saxatilis...

Esse é meu 10 artigo, referente à coluna de Nutrição, publicado nas mídias da Aquaculture Brasil (site e revista). Nos artigos anteriores men-cionei conceitos e pontos importantes em relação à qualidade nutricional e método de fabricação dos alimentos aquícolas. Hoje vou abordar um tema relacionado à alimentação dos organismos aquáti-cos: o modelo...

Na coluna dessa 5˚edição vou abordar um tema bastante relevante para todos os participantes da indústria aquícola que é a Extrusão. Acredito que a maioria das pes-soas já deva ter escutado esse termo, que é utilizado em várias situações, mas será que realmente sabemos o que é extrusão? Quais são suas vantagens e desvantagens? Qual é o seu valor par...

A feeding trial was conducted for 60 days to determine the effects of fish meal (FM) replacement with meat and bone meal (MBM) supplemented with garlic powder on the physiological and immunohematological status of juvenile rainbow trout (Oncorhynchus mykiss; 8.26 ± 1.10 g). Eight isonitrogenous (46% crude protein) and isoenergetic (22 mJ kg−1) diet...

Com grande prazer que escrevo mais um artigo para a coluna Nutrição, e hoje vou abordar um dos meus assuntos favoritos e um dos tópicos mais importantes no mundo da nutrição aquícola: ácidos graxos. Meses atrás escrevi o artigo "Peixes requerem aminoácidos e não proteínas" que está de certa for-ma relacionado com o presente texto. Podemos supor que...

Effects of graded dietary levels of fish meal (FM) replacement with meat and bone meal (MBM) with (G) or without (WG) garlic powder was investigated on growth, digestive enzymes, apparent digestibility, body composition and fatty acid profile of juvenile rainbow trout (Onchorynchus mykiss; 8.26 ± 1.10 g). A total of 8 dietary treatments were evalua...

It is assumed that Florida Pompano have dietary EPA (20:5n-3) and DHA (22:6n-3) requirements. However, it is unclear whether both are equally important in meeting demand for n-3 long-chain polyunsaturated fatty acids (LC-PUFAs) or whether the requirement(s) can be influenced by other fatty acids. Accordingly, we assessed production performance and...

O Atum é uma das espécies de peixes mais apreciadas mundialmente e vem despertando o interesse no desenvolvimento de sua aquacultura, que está cada vez mais aprimorada. Embora a produção de juvenis seja incipiente, a engorda em tanques-rede com juvenis selvagens capturados já é realizada em vários países como Austrália, Espanha, Grécia, Japão e Méx...

Os carboidratos são macronutrientes encontrados naturalmente, sendo compostos por carbono, hidrogênio e oxigênio em proporções que geralmente seguem a fórmula CH2O. Esses nutrientes são uma ótima fonte de energia (17 kj/g) e estão amplamente disponíveis. Além disso, os carboidratos são classificados quanto à complexidade de sua composição química,...

Cobia (Rachycentron canadum) is a warmwater, carnivorous marine finfish, and the only member of the Rachycentridae family. This species is widely known for its favorable aquaculture characteristics, particularly its rapid growth, as reportedly cobia are capable of growing 4 to 8 kg in a year, a staggering feat in comparison with the growth rates of...