Giovani Sampaio Gonçalves

ORCID: 0000-0003-0136-188X
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About
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Research Areas
  • Aquaculture Nutrition and Growth
  • Fish biology, ecology, and behavior
  • Aquaculture disease management and microbiota
  • Animal Genetics and Reproduction
  • Fish Biology and Ecology Studies
  • Animal Nutrition and Physiology
  • Rural Development and Agriculture
  • Aquatic life and conservation
  • Reproductive biology and impacts on aquatic species
  • Agricultural and Food Sciences
  • Mollusks and Parasites Studies
  • Environmental Toxicology and Ecotoxicology
  • Agricultural and Food Production Studies
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Delphi Technique in Research
  • Sugarcane Cultivation and Processing
  • Team Dynamics and Performance
  • Patient Satisfaction in Healthcare
  • Enzyme Production and Characterization
  • Invertebrate Immune Response Mechanisms
  • Aquatic Invertebrate Ecology and Behavior
  • Crustacean biology and ecology
  • Genetic and phenotypic traits in livestock
  • Antibiotic Use and Resistance
  • Food composition and properties

Agência Paulista de Tecnologia dos Agronegócios
2009-2024

Institute of Economic Research Foundation
2022

Weatherford College
2022

University of Algarve
2015

American Physical Therapy Association
2010

Instituto de Pesca
2005-2009

Universidade Federal Rural de Pernambuco
2009

Núcleo de Pesquisas Aplicadas (Brazil)
2009

Universidade Estadual Paulista (Unesp)
2003-2009

European Union of Medical Specialists
2008

The aquaculture industry is in considerable increases. Optimization of husbandary conditions intensive are continuous interest. Probiotic was proved as promising factors to enhance fish production by remodeling intestinal microbial balance, boosting immune system and reducing antibiotic uses. efficient strategy probiotic uses their protection still making debate. intake tilpia fed with basal diet enriched (Enterococcus faecium) its response following a challenge pathogenic strain Aeromonas...

10.1016/j.aqrep.2020.100277 article EN cc-by-nc-nd Aquaculture Reports 2020-02-18

This study aimed to verify the possible positive effects of feeding commercial probiotic Bioplus 2BC® [Bacillus subtilis (1.6 × 1010 CFU/g) and Bacillus licheniformis CFU/g)] Nile tilapia on its growth performance, nutrient digestibility, gut microbiology, haematology (hematimetric index, erythrocyte, leucocyte thrombocyte counts) innate immunology (lysozyme, burst respiratory phagocyte activities). For this purpose, one in vivo assay was performed following a completely randomized design,...

10.1111/are.15016 article EN Aquaculture Research 2020-11-25

Abstract This work evaluated the effects of dietary supplementation A-Live (phytogenic) either individually or in combination with Aquaform (potassium diformate, acidifier) on juvenile Nile tilapia ( Oreochromis niloticus ) growth performance, innate immune parameters, gut microbiome, and resistance against Francisella noatunensis subsp. orientalis challenge. Each experimental group contained 140 fishes (34.3 ± 0.33) two 150L tanks. The design consisted five groups: a negative control;...

10.1038/s41598-019-42480-8 article EN cc-by Scientific Reports 2019-04-15

Este experimento foi realizado para avaliar os efeitos da adição de diferentes níveis fitase (0, 500, 1500 e 3000 unidades ativa [UFA]/kg ração) em dietas a tilápia do Nilo (8,88 ± 0,02 g). Todas as rações foram fornecidas até saciedade durante 45 dias. O nível baseou-se nos parâmetros desempenho digestibilidade estimado pelos modelos quadrático e/ou LRP ("broken line"). De acordo com resultados obtidos fitase, o modelo apresentou melhor ajustamento dados. A suplementação aumentou...

10.1590/s1516-35982001000400003 article PT cc-by Revista Brasileira de Zootecnia 2001-06-01

This study aimed to evaluate the effects of lysine and histidine supplementation on growth performance, gene expression, blood parameters quality fillet in Nile tilapia, Oreochromis niloticus (n = 192; 136.14 ± 2.32 g). Fish were distributed into four groups fed a control diet without (CON), supplemented with (LYS), (HIS) or (LYS + HIS) until apparent satiety for 90 days. Growth performance increased significantly fish LYS HIS (p < .05). The body weight gain yield by 26.61% 2.74% unit,...

10.1111/anu.13207 article EN Aquaculture Nutrition 2020-12-08

This study aimed to investigate the effects of replacing inorganic trace minerals (ITM) with organic (OTM) on growth performance, body composition, gut histomorphometry, digestive enzyme activity, apparent digestibility coefficients (ADC), and mineral balance in juvenile Nile tilapia, Oreochromis niloticus . Fish ( n = 432; 2.5 ± 0.5 g) were randomly distributed into four groups replicates each (27 fish per replicate). A control diet (gross 15.2 MJ gross energy kg −1 ; 367.3 g crude protein...

10.1155/2024/1422124 article EN cc-by Aquaculture Nutrition 2024-01-01

This study evaluated the impact of increasing dietary β ‐mannanase (BM) supplementation (Natupulse TS, BASF, Ludwigshafen am Rhein, Germany) on fecal viscosity and pH, apparent digestibility coefficients (ADCs) energy nutrients, including amino acids, nutrient loss in contents soybean meal (SBM)‐based diets fed to juvenile Nile tilapia, Oreochromis niloticus . A total 504 fingerlings (initial body weight 31.5 ± 4.2 g) were randomly distributed into 24 aquaria (70 L each) a completely...

10.1155/2024/8812246 article EN cc-by Aquaculture Research 2024-01-01

This study aimed to evaluate the effects of supplemental phytase with xylanase and β-glucanase blend on apparent digestibility coefficient (ADC) gross energy nutrients, including amino acids, minerals, nitrogen (N) phosphorus (P) balance in Nile tilapia, Oreochromis niloticus. Diets were elaborated either without enzyme supplementation (control) or supplemented (PHY), (XB) a combination plus (PHY+XB) blend. Fish (n = 192; 60 ± 3.4 g) fed experimental diets replicated four times. Compared...

10.1111/are.15800 article EN Aquaculture Research 2022-02-22

Abstract This experiment evaluated soy protein concentrate ( SPC ) and meat bone meal as a replacement for fish FP in the diet of Nile tilapia fingerlings. Five diets were including control (50.0% crude [ CP ], which half came from FM ]), four was replaced by increasing amounts (25.5, 50.0, 75.5, 100.0%) combination with meal. At conclusion 60‐d growth trial, following parameters determined: final weight FW ), length FL gain WG feed intake FI apparent conversion AFC survival SUR production...

10.1111/jwas.12281 article EN Journal of the World Aquaculture Society 2016-04-06

The effects of different levels dietary copper on growth performance and physiological parameters Nile tilapia (Oreochromis niloticus L.) were analyzed for 120 days. experimental design was completely randomized, with five treatments (0.0; 4.0; 80.0; 160.0 320.0mg cooper/kg diet as cooper sulfate hepahydrate, 24.05% copper) six replicates. One hundred eighty fish, 2.0 &plusmn; 0.05g average initial weight, kept into 30 aquaria (60L) individual filter aeration; water temperature at 25.0...

10.4025/actascianimsci.v26i4.1713 article EN cc-by Acta Scientiarum Animal Sciences 2004-04-10

Vegetable feedstuff used in commercial fish diets contains antinutrients, such as phytate, molecule able to complex minerals, amino acids, starch and, which can also acts a negative way on the digestive enzymatic reactions. Thus, this study aimed evaluate effect of phytase enzyme (0; 1,000; 2,000 UF/kg) apparent digestibility five energetic (corn, extruded corn, wheat middling, rice meal and sorghum) protein (soybean meal, soybean sunflower cottonseed gluten meal) using an albumin-gelatin...

10.4025/actascianimsci.v26i3.1795 article EN cc-by Acta Scientiarum Animal Sciences 2004-04-10

The aim of this study was to verify the influence different diets on development goldfish ( Carassius auratus ) larvae and determine best diet management during its larviculture phase. experimental design totally randomized with five treatments four replicatess, using Tukey test for statistical analysis. Twenty 10L-aquariums were used, where twenty 5.20 mm length stocked per aquarium. Quinguio fed daily ration diets: alone including 56.00% crude protein (R), plankton (PL), Artemia sp nauplii...

10.4025/actascibiolsci.v22i0.2861 article EN DOAJ (DOAJ: Directory of Open Access Journals) 2008-05-01

Avaliou-se a substituição do milho pelo triticale em dietas para tilápias-do-nilo. Os peixes foram submetidos ao teste de desempenho sistema aquários (50 L) com temperatura controlada e recirculação da água. Alevinos 1,7 ± 0,08 g estocados 30 aquários, delineamento inteiramente casualizado, cinco níveis (0,0; 25,0; 50,0; 75,0 100,0%) por seis repetições. As características zootécnicas avaliadas foram: sobrevivência, ganho peso, conversão alimentar aparente, consumo alimentar, índice...

10.1590/s1516-35982010000200002 article PT cc-by Revista Brasileira de Zootecnia 2010-02-01

Avaliou-se o efeito de diferentes níveis do composto enzimático Natugrain Blend L®, que contém endo-xilanase e endo-beta-glucanase, sobre a digestibilidade dos nutrientes energia triticale pela tilápia-do-nilo. O método para determinação da foi indireto, utilizando-se óxido crômio III (0,10%). delineamento experimental inteiramente ao acaso, com cinco tratamentos três repetições. nível substituição dieta-referência 50,0% pelo triticale. Os foram 0,0; 150,0; 300,0; 450,0 600,0mg kg-1 L, 800...

10.1590/s0102-09352010000200026 article PT cc-by Arquivo Brasileiro de Medicina Veterinária e Zootecnia 2010-04-01

Um experimento envolvendo 60 suínos (½ machos e ½ fêmeas) foi conduzido, objetivando avaliar os efeitos do tipo de piso das baias sobre o desempenho características carcaça dos suínos, nas fases crescimento terminação (33 - 84 kg). Os animais foram distribuídos em um delineamento blocos casualizados, com dois tratamentos, três ou por unidade experimental (UE), 12 UE tratamento, perfazendo total 30 tratamento. Foram alojados 8m² (2,0 x 4,0m), tratamentos: lâmina d'água compacto. No tratamento...

10.1590/s1516-35982003000100017 article PT cc-by Revista Brasileira de Zootecnia 2003-02-01

This research aimed to evaluate spray dried alcohol yeast (Saccharomyces cerevisiae) and zinc (zinc oxide) as pronutrient in initial diet for Nile tilapia (Oreochromis niloticus L.). The experimental diets, isoproteic (30.00%DP) isoenergetic (3200kcal DE/kg diet), were supplemented with three levels (0.50, 1.00 2.00%) (150, 300 600mg/kg). An additional no was used. experiment a factorial 3 x (yeast zinc) plus an treatment (control) four replications completely randomized block design. Weight...

10.4025/actascianimsci.v26i2.1862 article EN cc-by Acta Scientiarum Animal Sciences 2004-04-10

This research aimed to investigate the effects of canola bran (CB) inclusion, replacing soybean crude protein in piavuçu diet, Leporinus macrocephalus (Garavello & Britski) (Characiformes, Anastomidae), initial phase. One hundred fingerlings (8.51 ± 0.07g) were assigned a completely randomized block design with five replications, totalizing 25 fishes per treatment. Four isocaloric (3,000kcal ED/kg) and isoproteic (30% CP) diets formulated, based on corn, fish flour, containing 0%; 19.12%;...

10.4025/actascianimsci.v24i0.2620 article EN cc-by Acta Scientiarum Animal Sciences 2008-04-29

This study evaluates the feasibility of producing hamburger, silage, and leather using fish by-products in a medium-sized recovery plant with total capacity processing up to 1,000 kg/day whole fish. The average volume generated daily was 673 kg. investment necessary introduce these three technologies US$47,193.13 1 year. cost produce kg 1.24, 0.17, US$1.77, respectively. return 56.16%, net present value US$570,582.16. pay back realized 3.88 years, benefit/cost relationship 1.31. For all...

10.1080/10498850.2015.1046098 article EN Journal of Aquatic Food Product Technology 2016-04-26

This study aimed to evaluate the apparent digestibility coefficients of dry matter, crude protein and digestible energy feedstuffs (soybean meal, canola fish meal corn) for piavuçu juveniles, Leporinus macrocephalusn (Anostomidae). Sixty (60.0g) were fed control diet (purified) marked with 0.10% chromic oxide III. Fish maintained in aquaria (500L) feeding, between 0800-1700h. After this period they transferred (250L) appropriate fecal collection. The nutrient determined by assessing...

10.4025/actascianimsci.v26i2.1861 article EN cc-by Acta Scientiarum Animal Sciences 2004-04-10

O objetivo deste trabalho foi avaliar os efeitos da substituição parcial do farelo de soja pela farinha carne e ossos em dietas para juvenis tilápia-do-nilo na digestibilidade, saúde, no desempenho custo arraçoamento. experimento conduzido durante 14 semanas, com 400 (4,9±0,6 g) distribuídos ao acaso 16 tanques. Os peixes foram alimentados quatro contendo 0, 15, 30 45% proteína ossos. Foram avaliados parâmetros desempenho, hematologia melhores resultados ganho peso conversão alimentar...

10.1590/s0100-204x2014001100002 article PT cc-by Pesquisa Agropecuária Brasileira 2014-11-01

This experiment was conducted at the Aquatic Nutrition Organisms Laboratory (AquaNutri), integrated unit to CaUnesp. The aim of this study evaluate growth performance Macrobrachium amazonicum (Crustacea, Decapoda), post larvae. Post larvae were fed diet containing different levels protein and energy. A factorial with three (30.0; 35.0 40.0 crude protein) two energy (3200 3600 gross kcal/kg) carried out on a completely randomly design, five replicates. 360 stocked, average weight...

10.4025/actascianimsci.v25i2.1979 article EN cc-by Acta Scientiarum Animal Sciences 2003-04-17
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