Article
Fisheries
Slavica Colak, Vanesa Lorencin, Danijel Koncar, Tomislav Saric, Bruna Petani, Bosiljka Mustac
Summary: This study investigated the seasonal dynamics of the copepod parasite Lernanthropus kroyeri on cultured sea bass in the Mediterranean mariculture, finding a positive correlation between sea bass length and total number of parasites. Gravid females were most dominant in the summer season, suggesting that winter may be the best period for infection control and treatment. The data may contribute to the development of epidemiological models for preventive measures to improve health management of mariculture in the Adriatic Sea and the Mediterranean area as a whole.
Article
Fisheries
S. Torrecillas, S. Rimoldi, D. Montero, A. Serradell, F. Acosta, R. Fontanillas, F. Allal, P. Haffray, A. Bajek, G. Terova
Summary: The study aimed to replace dietary fishmeal/fish oil without affecting European sea bass performance and health status. The study found that diet and genotype have a significant impact on the gut bacterial composition of sea bass, but without negative effects on their health and growth. Selectively bred sea bass had a more adaptable gut microbiota composition.
Article
Microbiology
Ivona Mladineo, Jerko Hrabar, Zeljka Trumbic, Tereza Manousaki, Alexandros Tsakogiannis, John B. Taggart, Costas S. Tsigenopoulos
Summary: Through genetic screening, a close genetic relationship was found between wild and farmed fish populations of C. oestroides. Although there were differences in parasite prevalence between farmed and wild fish, this was mainly attributed to human interventions during the rearing process and did not affect the transmission of C. oestroides.
Article
Environmental Sciences
Stefanie Reinold, Alicia Herrera, Francesco Saliu, Carlos Hernandez-Gonzalez, Ico Martinez, Marina Lasagni, May Gomez
Summary: The presence of microplastics in seafood, particularly in farmed fish, is a concerning issue as it poses potential risks to human health. A study conducted in Tenerife, Spain found that 65% of the examined fish cultivated in coastal waters contained microplastics in their gastrointestinal tracts. Fibres and fragments were the predominant shapes of microplastics detected, with varying compositions.
MARINE POLLUTION BULLETIN
(2021)
Article
Environmental Sciences
Agata Egea-Corbacho, Ana Pilar Martin-Garcia, Ana A. Franco, Gemma Albendin, Juana M. Arellano, Rocio Rodriguez-Barroso, M. Dolores Coello, Dolores Coello, Jose F. Cabello, Iria Iglesias Prado, Erik-jan Malta
Summary: This study investigates the impact of microplastics (MP) on aquaculture systems, covering water intake, purification treatment, culture tanks, feed, and the organism. The study shows that purification systems can reduce the entry of MP from the environment, but new MP are observed in the sea bass tank, mainly due to added feed and materials used in aquaculture systems. Different types of MP are found in the sea bass samples. Consideration and reduction of other entry routes are necessary to prevent MP from reaching the human consumer in aquaculture facilities.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Engineering, Marine
Mary E. M. Larkin, Allen R. Place
Summary: Incorporating environmentally sustainable plant-based protein sources into aquafeeds is important, but the effects of specific plant proteins on different fish species need to be evaluated. Previous studies showed that wheat gluten at less than 4% inclusion had a negative impact on the growth and survival rate of juvenile cobia. In this study, the effects of wheat gluten inclusion in a plant-based diet for juvenile European sea bass were evaluated, and it was found that 4% dietary wheat gluten was well tolerated by the fish.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2023)
Article
Immunology
Ines A. Ferreira, Diogo Peixoto, Ana Paula Losada, Maria Isabel Quiroga, Ana do Vale, Benjamin Costas
Summary: This study aimed to understand the early innate immune response of European sea bass to T. maritimum infection. The results showed that T. maritimum induced a local immune response in the skin, gills, and posterior-intestine of the fish. This may be due to the bacteria's ability to adhere, colonize, and damage these organs. The infected fish also exhibited systemic responses, including increased neutrophils, signs of anemia, and decreased bactericidal and lysozyme activities in the plasma.
FRONTIERS IN IMMUNOLOGY
(2023)
Article
Fisheries
Laura Sempere, Soledad Ibanez, Conrado Marin, Gregorio Moles, Sara Puchol, Jesus Rosel, Jaume Perez-Sanchez, Alicia Felip
Summary: This study compares the growth performance and reproductive physiology of 2-year-old female sea bass with early or late onset puberty. The study provides valuable information on the factors associated with early onset puberty in this species.
AQUACULTURE REPORTS
(2023)
Article
Biochemistry & Molecular Biology
Marina Machado, Diogo Peixoto, Paulo Santos, Ana Ricardo, Ines Duarte, Ines Carvalho, Claudia Aragao, Rita Azeredo, Benjamin Costas
Summary: This study aimed to investigate the effects of dietary tryptophan supplementation on the immune condition of European seabass during stressful rearing conditions and their response to bacterial pathogens. The results showed that stress did not compromise the health indicators of seabass, but exacerbated the inflammatory response. Tryptophan had minimal effects on immune indicators but improved the inflammatory response against bacterial pathogens during stressful conditions.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Biotechnology & Applied Microbiology
Helena Fernandes, Nicole Martins, Lucia Vieira, Jose Manuel Salgado, Carolina Castro, Aires Oliva-Teles, Isabel Belo, Helena Peres
Summary: The study found that solid-state fermentation (SSF) was the most effective processing method for Ulva rigida, as it improved feed efficiency without affecting the growth performance of fish.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2022)
Article
Agriculture, Dairy & Animal Science
Charles Rodde, Hugues de Verdal, Marc Vandeputte, Francois Allal, Julie Nati, Mathieu Besson, Felipe R. Blasco, John A. H. Benzie, David J. McKenzie
Summary: The study investigated the prediction of individual FE in European sea bass, identifying significant effects of temperature and population on FE and RMR. However, individual FE and RMR were not significantly correlated, indicating a need for further investigation into the relationship between metabolic rate and feed efficiency.
JOURNAL OF ANIMAL SCIENCE
(2021)
Article
Environmental Sciences
Stephen Knobloch, Joris Philip, Sebastien Ferrari, David Benhaim, Martine Bertrand, Isabelle Poirier
Summary: This study examined the impact of ultrasound on farmed European sea bass and found that while growth and survival were not affected, ultrasound exposure led to disruption of gill and skin microbiota, including an increase in potential pathogenic bacteria. This highlights the need for further research on the long-term effects of ultrasonic antifouling control on the health and well-being of farmed fish.
MARINE POLLUTION BULLETIN
(2021)
Article
Environmental Sciences
Nicole Francesca Pelusio, Luca Parma, Enrico Volpe, Sara Ciulli, Francesca Errani, Silvia Natale, Alessandra De Cesare, Valentina Indio, Paolo Carcano, Oliviero Mordenti, Pier Paolo Gatta, Alessio Bonaldo
Summary: Functional ingredients, such as nucleotides and nucleic acids, have shown potential for improving fish meal aquafeed formulation in Mediterranean aquaculture. In a study on European sea bass juveniles, the addition of nucleotides and nucleic acids to the feed increased growth performance and enhanced lipid efficiency. These ingredients also had prebiotic effects on the gut microbiome, promoting beneficial bacteria. However, the optimal dosage and combination of nucleotides and nucleic acids in fish meal require further investigation.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Multidisciplinary Sciences
Claudia R. Serra, Aires Oliva-Teles, Paula Enes, Fernando Tavares
Summary: A healthy gastrointestinal microbiota is vital for host fitness and is strongly affected by host diet. Feeding carnivorous fish plant-based diets high in non-starch polysaccharides (NSP) can lead to changes in gut microbiota composition, favoring bacterial families with carbohydrate active enzymes. Overall, the gut communities of European seabass respond to plant-based diets by adjusting to the presence of transient microorganisms with carbohydrolytic potential while maintaining a balanced core microbiota.
SCIENTIFIC REPORTS
(2021)
Article
Fisheries
Carlos Orduna, Lourdes Encina, Amadora Rodriguez-Ruiz, Victoria Rodriguez-Sanchez
Summary: The study found that horizontal hydroacoustics is a useful technique for monitoring size distribution of sea bass in farming cages, with the most suitable sampling method being the use of a vertically moving transducer positioned outside the cage.
Article
Microbiology
Fernando Naya-Catala, M. Carla Piazzon, Josep A. Calduch-Giner, Ariadna Sitja-Bobadilla, Jaume Perez-Sanchez
Summary: The present study used a metatranscriptomic approach to investigate the expression of gut microbial genes in farmed gilthead sea bream. The researchers found that fungal transcripts were as abundant as bacterial ones, contrary to previous rRNA amplicon-based studies. The study also revealed that dietary intervention and different growth rates of fish influenced the metatranscriptome, with bacteria primarily shaping vitamin and amino acid metabolism and rhythmic and symbiotic processes, while fungi played a more specific role in configuring host immune, digestive, and endocrine processes.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Fisheries
M. C. Piazzon, F. Naya-Catala, G. V. Pereira, I. Estensoro, R. Del Pozo, J. A. Calduch-Giner, W. G. Nuez-Ortin, O. Palenzuela, A. Sitja-Bobadilla, J. Dias, L. E. C. Conceicao, J. Perez-Sanchez
Summary: This study evaluated the effects of the NoPAP SANA diet on gilthead sea bream, showing that the diet promotes optimal growth and a healthy condition without affecting susceptibility to intestinal parasites.
Article
Parasitology
Enrique Riera-Ferrer, M. Carla Piazzon, Raquel Del Pozo, Oswaldo Palenzuela, Itziar Estensoro, Ariadna Sitja-Bobadilla
Summary: Sparicotylosis, an enzootic parasitic disease, profoundly alters the haemostasis, the innate immune system and the lipid metabolism and transport in gilthead sea bream.
PARASITES & VECTORS
(2022)
Article
Parasitology
Ivona Mladineo, Artemis Charouli, Filip Jelic, Anand Chakroborty, Jerko Hrabar
Summary: Researchers have successfully developed an in vitro cultivation protocol for Anisakis pegreffii by testing different media and heat-inactivated sera. This method allows the parasite to complete its life cycle from the third larval stage to reproductive adults, which is crucial for research on vaccines, drug targets, transgenesis, and pathogenesis.
PARASITES & VECTORS
(2023)
Article
Biology
Fernando Naya-Catala, M. Carla Piazzon, Silvia Torrecillas, Socorro Toxqui-Rodriguez, Josep A. Calduch-Giner, Ramon Fontanillas, Ariadna Sitja-Bobadilla, Daniel Montero, Jaume Perez-Sanchez
Summary: The AquaIMPACT H2020 EU project aims to improve the competitiveness of European Aquaculture by integrating selective breeding and nutrition, while promoting the production of high-quality fish with limited environmental impact. This study evaluated the changes in gut microbiota with diet along the production cycle in genetically improved fish and reference fish. The results showed that the gut microbiota composition had less influence on the growth of genetically improved fish, but their intestinal function and gene expression profiles were enhanced.
Article
Fisheries
Socorro Toxqui-Rodriguez, Fernando Naya-Catala, Ariadna Sitja-Bobadilla, M. Carla Piazzon, Jaume Perez-Sanchez
Summary: This study compared different sequencing platforms for microbial characterization in fish gut mucosal samples. The results showed that MinION is a reliable and accurate tool for assessing intestinal bacteria communities, with good correlation with Illumina results. However, less abundant but biologically important taxa may be masked compared to Illumina sequencing.
Article
Fisheries
Enrique Riera-Ferrer, Raquel Del Pozo, M. Carla Piazzon, Ariadna Sitja-Bobadilla, Itziar Estensoro, Oswaldo Palenzuela
Summary: This study explores the best experimental conditions to set up an in vivo infection model capable of mimicking the sparicotylosis signs observed in farmed diseased fish. The experimental setup for parasite transmission consisted of a recipient fish tank with naive GSB receiving water from two S. chrysophrii-infected donor tanks. The study provides an advancement for studying S. chrysophrii's biology and its interaction with its host, as well as for further researching treatment alternatives and prophylactic measures.
Article
Genetics & Heredity
Beatriz Soriano, Ahmed Ibrahem Hafez, Fernando Naya-Catala, Federico Moroni, Roxana Andreea Moldovan, Socorro Toxqui-Rodriguez, Maria Carla Piazzon, Vicente Arnau, Carlos Llorens, Jaume Perez-Sanchez
Summary: This paper introduces SAMBA, a computational tool that uses a Bayesian network approach to model the network structure and interactions of fish gut microbiomes in aquaculture systems. SAMBA can infer the influence of farming conditions on microbiome diversity and predict changes under different conditions. It is worth noting that SAMBA can be used for modeling microbiome-host network relationships of any vertebrate organism, including humans, in any system and/or ecosystem.
Meeting Abstract
Fisheries
Itziar Estensoro, Raquel Del Pozo, Ariadna Sitja-Bobadilla, M. Carla Piazzon
DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY
(2023)
Meeting Abstract
Fisheries
E. Riera-Ferrer, E. Gimeno, R. Del Pozo, O. Palenzuela, M. C. Piazzon, A. Sitja-Bobadilla, I. Estensoro
DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY
(2023)