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Registros recuperados: 25
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A piscicultura e o ambiente: o uso de alimentos ambientalmente corretos em piscicultura R. Bras. Zootec.
Cyrino,José Eurico Possebon; Bicudo,Álvaro José de Almeida; Sado,Ricardo Yuji; Borghesi,Ricardo; Dairik,Jony Koji.
Embora a ciência da nutrição de peixes esteja longe de estabelecer um padrão geral de exigências nutricionais, a necessidade de desenvolvimento de alimentos de baixo impacto poluente há muito faz parte da agenda das comunidades científica e empresarial internacional da aqüicultura. Não só é absolutamente possível formular alimentos ambientalmente corretos, como é necessário modelar a formulação destes alimentos. Porém, é necessária absoluta acurácia para atender formulações espécie-específicas, considerando-se as interações da biologia e fisiologia nutricional das espécies com os alimentos e com as variações abióticas do meio. O conhecimento disponível sobre as mais de 200 espécies de peixe produzidas comercialmente no mundo é ainda incipiente e os...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ambiente; Nutrição; Piscicultura; Rações.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010001300009
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Antibiotic resistence of Aeromonas hydrophila isolated from Piaractus mesopotamicus (Holmberg, 1887) and Oreochromis niloticus (Linnaeus, 1758) Scientia Agricola
Belém-Costa,Andréa; Cyrino,José Eurico Possebon.
One of the most important problems involving treatments with antibiotics against Aeromonas hydrophila isolated from fishes is that antibiotic resistance develops readily. The antimicrobial activity of chemotherapeutants in isolates from pacu Piaractus mesopotamicus (Holmberg, 1887) and tilapia Oreochromis niloticus (Linnaeus, 1758) was tested by the Kirby-Bauer disk method, over Mueller-Hinton surface agar previously inoculated with 100 µL of bacterial suspensions. After regular incubation, isolates from tilapia and pacu were uniformly resistant to amoxicillin, ampicillin, lincomycin, novobiocin, oxacillin, penicillin, and trimetoprim+sulfametoxazole. The A. hydrophila type strain presented resistance to the same antimicrobial substances and also against...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Bacterial isolates; Bacterial strains; Antimicrobial substances; Chemotherapeutants; Drugs.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162006000300011
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Apparent digestibility of ingredients in diets for Salminus brasiliensis PAB
Braga,Luís Gustavo Tavares; Borghesi,Ricardo; Cyrino,José Eurico Possebon.
The objective of this work was to determine the nutritional value of different protein sources for "dourado" (Salminus brasiliensis). Thirty juveniles per group (33.51±1.4 g) were hand fed on a reference diet (70%) added of tested ingredients (30%) and chromium oxide III (0.1%). Apparent digestibility coefficients of the gross energy (ADC GE), crude protein (ADC CP) and amino acids of the tested ingredients were evaluated. Corn gluten meal yielded the best results for ADC GE and ADC CP (95.7 and 96.9%, respectively) amongst plant ingredients. Spray-dried blood meal yielded the best values of ADC GE and ADC CP amongst animal ingredients (94.1 and 96.3%, respectively). Wheat bran yielded poorest ADCs coefficients (77 for ADC GE and 88.2% for ADC CP).
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aquaculture; Biologic value; Digestible energy; Digestible protein; Nutritive value.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2008000200017
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Attractants in plant protein-based diets for the carnivorous largemouth bass Micropterus salmoides Scientia Agricola
Oliveira,Ana Maria Barretto de Menezes Sampaio de; Cyrino,José Eurico Possebon.
Adding attractants can improve acceptability of artificial diets by carnivorous fish fry and fingerlings, increasing intake of unpalatable feeds and improving growth rate, while reducing feeding time and feeding wastes. This study aimed to evaluate the effects of levels of inclusion of different attractants in plant protein-based diets on the performance of largemouth bass Micropterus salmoides. Nine hundred juvenile largemouth bass (26.54 ± 1.53 g) conditioned to accept dry, artificial feed were stocked in 60, 90-L polyethylene tanks (15 fish per group) in a completely randomized design trial (n=3). Fish were fed two daily meals ad libitum at 7h00 and 17h00, for 13 days, with a diet (100% plant protein source) containing either soluble fish protein - SFP...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Feeding attractants; Palatability; Carnivorous fish.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162004000300015
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Clustering of ingredients with amino acid composition similar to the nutritional requirement of Nile tilapia Scientia Agricola
Bicudo,Álvaro José de Almeida; Pinto,Luis Fernando Batista; Cyrino,José Eurico Possebon.
The search for balanced diets, which may elicit improved growth of fish, requires appropriate selection of available protein sources. This study aims at clustering feedstuffs according to amino acid profile, determining which ones show essential amino acids (EAA) profiles closer to the ideal dietary amino acids requirements of Nile tilapia (Oreochromis niloticus), and studying the relationship among amino acids feedstuffs groups. Tabled data on EAA more cystine and tyrosine, in relation to lysine contents, of 40 feedstuffs ordinarily used to formulate fish diets were studied. Feedstuffs were grouped according to amino acids profile by cluster analysis of Euclidean distances. The principal components analysis was used to determine the relationship among...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Feedstuff; Fish; Multivariate analysis; Nutrition; Protein.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162010000500004
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Colina e betaína em rações purificadas na nutrição da tilápia do Nilo (Oreochromis niloticus) Scientia Agricola
Vieira,Ivan; Cyrino,José Eurico Possebon; Pezzato,Luiz Edivaldo.
Problemas metabólicos observados em produções intensivas de tilápias do Nilo (Oreochromis niloticus) têm sido relacionados à deficiência de colina nas rações. Com o objetivo de avaliar o efeito da suplementação dietética da colina na nutrição da espécie, rações purificadas contendo 0; 375; 750; 1.125; 1.500 ou 1.875 mg de cloreto de colina por kg, foram administradas ad libitum por 42 dias a tilápias do Nilo (5,09 ± 0,14 g), estocados em gaiolas de PVC atóxico (volume = 60 L), alojadas em caixas de polipropileno de 1000 L, em ambiente com condições controladas de temperatura e luminosidade, num delineamento experimental em blocos incompletos casualizados, com três parcelas por bloco (n=5). O ganho de peso (GDP) e o índice de conversão alimentar (ICA) de...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ciclídeos; Nutrição; Fator lipotrófico; Lecitina; Lipídios hepáticos.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162001000400004
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Demand for fisheries products in Brazil Scientia Agricola
Sonoda,Daniel Yokoyama; Campos,Silvia Kanadani; Cyrino,José Eurico Possebon; Shirota,Ricardo.
Fish consumption per capita in Brazil is relatively modest when compared to other animal proteins. This study analyses the influence of protein prices, other food prices and population income on the fish demand in Brazil. First, the problem of fish supply in Brazil is characterized. It is followed by reviews of the relevant economic theory and methods of Almost Ideal Demand System - AIDS and their elasticity calculations. A descriptive analysis of fish demand in Brazil using the microdata called "Pesquisa de Orçamento Familiar" (Familiar Budget Research) - POF 2002-2003 is presented. Finally, demand functions and their elasticities are calculated for two different cases: one considering five groups of animal proteins (Chicken; Milk and Eggs; Fish;...
Tipo: Info:eu-repo/semantics/article Palavras-chave: AIDS; Fish; Supply; Elasticity; Market.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162012000500005
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Desempenho da tilápia nilótica Oreochromis niloticus (L.) em gaiolas de pequeno volume Scientia Agricola
Bozano,Gustavo Luiz Naslausky; Rodrigues,Samer Ramos Monteiro; Caseiro,Alexsandra Carmen; Cyrino,José Eurico Possebon.
Alevinos de tilápia nilótica Oreochromis niloticus (L.) com peso médio de 18,85 g, foram estocados em gaiolas de 1,7 m3 cada, em densidades de 75, 150, 300 e 600 peixes/m3 (T75; T150; T300 e T600), num delineamento inteiramente casualizado (4 tratamentos e 3 repetições), e criados por 196 dias, com ração comercial extrusada, flutuante, contendo 28% de proteína bruta. A cada 30 dias, 20% do lote de peixes de cada gaiola foi medido e pesado para determinar ganho de peso (GDP) e conversão alimentar (CA) de cada tratamento. Os resultados finais de CA e GDP para cada tratamento foram, respectivamente: para T75, 6,31:1 e 71,52g; para T150, 4,08:1 e 65.14g; para T300, 3,57:1 e 59,60g; e para T600, 2,96:1 e 69,17g. Em relação ao ganho de peso, T600 e T75 foram...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Tilápia do Nilo; Tanques-rede; Capacidade de suporte; Desempenho.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90161999000400008
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Diets for feed training peacock bass Cichla sp. Scientia Agricola
Cyrino,José Eurico Possebon; Kubitza,Fernando.
The use of prized, carnivorous fish species such as the peacock bass Cichla sp. in either intensive farming or sport fishing demand specific knowledge on feed conditioning strategies for those species. One thousand and fifteen 0.5-g fingerlings were trained for 7 days to feed on ground fish flesh (GF). Seven hundred and seventy six (76%) fish (0.63 ± 0.03 g) feeding on GF were stocked into twelve 0.03-m³ net cages (63 fish/cage) and submitted to gradual feed ingredient transition (GFIT) weaning technique. Moist pellets with 90, 80, 70 or 60% GF (GF-90, GF-80, GF-70 or GF-60, respectively) were offered during the first 4 days of GFIT. No fish accepted GF-00 at the end of GFIT. Fish started on GF-90 or GF-80 fed well until GF dietary levels dropped below...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Culture methods; Carnivorous fish; Weaning diets; Pelleted diets.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000400001
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Digestibility and pricing of Chlorella sorokiniana meal for use in tilapia feeds Scientia Agricola
Barone,Rafael Simões Coelho; Sonoda,Daniel Yokoyama; Lorenz,Evandro Kleber; Cyrino,José Eurico Possebon.
ABSTRACT: Several microalgae contain in excess of 50 % crude protein with amino acid profile comparable to that of fish meal. In addition, high polyunsaturated fatty acid contents encourage their use in animal feeding and nutrition, particularly in the formulation and processing of aquafeeds. This study aims at estimating the feasibility of Chlorella meal as feed ingredient for the feeding and nutrition of farmed tilapia based upon digestibility data. Juvenile tilapia were stocked in conical-bottomed tanks (200 L) with superficial, continuous water flow, and fed to apparent satiation in three daily meals with a reference diet and a test diet containing 30 % lyophilized Chlorella sorokiniana added of an inert marker. Feces were collected overnight by...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fish nutrition; Microalgae; Fishmeal; Pricing model.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162018000300184
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Fish and fishery products trade in Brazil, 2005 to 2015: A review of available data and trends Scientia Agricola
Barone,Rafael Simões Coelho; Lorenz,Evandro Kleber; Sonoda,Daniel Yokoyama; Cyrino,José Eurico Possebon.
ABSTRACT: Along the last ten years fish and fishery product trade in Brazil has been on a downward trajectory turning a profit of US$ 98.6 million in 2005 into a loss of US$ 1.25 billion by 2014. On the other hand, the country is a leading producer of grains and has the third largest animal feed industry in the world, which has added 5.5 million hectares of freshwater reservoirs and 3.5 million km2 of an exclusive marine economic zone in the same period, a sizable potential for development of the aquaculture industry. This study aims at unveiling strategies for the reduction of the deficit in the Brazilian seafood trade balance, based on critical analysis of the quantitative and qualitative characteristics of imported fishery products. The fish and fishery...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Seafood; Demand analysis; Price analysis; Market preferences; Aquaculture economics.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162017000500417
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Fish silage in black bass (Micropterus Salmoides) feed as an alternative to fish meal BABT
Arruda,Lia Ferraz de; Borghesi,Ricardo; Portz,Leandro; Cyrino,José Eurico Possebon; Oetterer,Marília.
The objective of this study was to use the residues of fermented sardine to elaborate the acid fish silage and its use in feed for aquaculture. Biological assay was performed by feeding largemouth bass (Micropterus salmoides) fingerlings (initial weight 22g), with extruded diets (41% crude protein; 3,600 kcal/kg digestible energy) containing 0.0, 7.5, 10.0, 12.5, or 15.0% of fish silage in partial substitution to the fish meal. The feed conversion ratio and weight gain for the treatments were: 1.26 and 15.76g; 1.11 and 17.07g; 1.19 and 17.81g; 1.18 and 19.83g; 1.47 and 14.64g, respectively. No significant differences (P<0.05) were detected among the treatments. Results indicated that it was possible to use up to 15% of acid fish silage as partial...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Residue; Carnivorous fish; Protein; Fish nutrition.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500025
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Immunomodulation of Juvenile Pacu, Piaractus mesopotamicus, by Different β(1-3)(1-6)-D glucan Products BABT
Sabioni,Rafael Estevan; Zanuzzo,Fábio Sabbadin; Cyrino,José Eurico Possebon.
Abstract Stress in intensive fish farming hamper immune function of fish and cause losses by disease outbreaks, a situation that can be minimized, but cannot be completely circumvented, by the use of immunomodulators. Addition of immunomodulators to aquafeeds has thus become a common practice. β-glucan (BG) is one of most studied and effective immunomodulators, aquaculture purposes included. Extracted from cell walls of bacteria, fungi and selected cereals, BG activity depends on the source and extraction methods. This study evaluated effects of two BG products (BG1 and BG2), extracted from Saccharomyces cerevisiae under varying extraction methods and with different immune activity, on the feeding of pacu Piaractus mesopotamicus juveniles. BG1 provided...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Immunostimulant; Aquaculture; Stress; Aeromonas hydrophila; Leukocytes; Lysozyme.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100410
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Intestinal histomorphology in Pseudoplatystoma fasciatum fed bovine colostrum as source of protein and bioactive peptides Scientia Agricola
Rodrigues,Ana Paula Oeda; Pauletti,Patricia; Kindlein,Liris; Delgado,Eduardo Francisquine; Cyrino,José Eurico Possebon; Machado-Neto,Raul.
Histological responses of the intestine are key for evaluating nutritional value of feed ingredients, since the organ is not only the chief site of feed digestion and nutrient absorption but also plays an important immunological function. Histomorphological alterations were evaluated in the intestine of juvenile striped catfish, Pseudoplatystoma fasciatum, fed diets containing 0 (control), 10 or 20% inclusion of lyophilized bovine colostrum (LBC), as source of protein or bioactive peptides, for either 30 or 60 days. Fish fed 20LBC presented at 60d a distinct pattern of macrophages and, some of them, higher number of vacuoles in rectum mucosa. The thickness of the muscle layer (TML) in fish fed diets with LBC was higher in the first portion of medium...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gut absorption; Histology; Mammal protein; Lyophilized bovine colostrum; Striped catfish.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162010000500005
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Lysine and arginine requirements of Salminus brasiliensis PAB
Dairiki,Jony Koji; Borghesi,Ricardo; Dias,Carlos Tadeu dos Santos; Cyrino,José Eurico Possebon.
The objective of this work was to determine the dietary lysine (DL) and dietary arginine (DA) requirements of dourado (Salminus brasiliensis), through dose-response trials using the amino acid profiles of whole carcasses as a reference. Two experiments were carried out in a completely randomized design (n=4). In the first experiment, groups of 12 feed-conditioned dourado juveniles (11.4±0.2 g) were stocked in 60 L cages placed in 300 L plastic indoor tanks in a closed circulation system. Fish were fed for 60 days on diets containing 1.0, 1.5, 2.0, 2.5, 3.0, or 3.5 % dietary lysine. In the second experiment, dourado juveniles (27.0±0.8 g) were fed for 60 days on semipurified diets containing arginine at 1.0, 1.5, 2.0, 2.5 or 3.0%, in similar conditions to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amino acid; Dose-response; Dourado; Regression.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2013000800032
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Partial substitution of fishmeal with soybean protein-based diets for dourado Salminus brasiliensis Scientia Agricola
Correa,Roselany de Oliveira; Aguilar,Fredy Armando Aguilar; Cruz,Thaline Maira Pachelli da; Sabioni,Rafael Estevan; Cyrino,José Eurico Possebon.
ABSTRACT Cost and environmental restrictions limit the use of fishmeal (FM) in aquafeeds and plant protein (PP) sources. Soybean by-products are important alternative; however, their antinutritional factors may reduce fish growth. This study evaluates the effect of FM substitution for PP (soybean meal and soy protein concentrate) in diets of dourado (Salminus brasiliensis), a promising species for fish farming and empirically considered highly tolerant to PP-based diets. A control diet was formulated to contain 20 % of fishmeal and 61 % of plant protein (SBM) and other five diets with decreasing FM graded levels (16 %, 12 %, 8 %, 4 %, 0 %), which were replaced by soybean protein concentrate (SPC), comprising six treatments and four replicates. Fifteen...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Enteritis; Aquaculture; Protein source; Gastrointestinal tract; Nutrition.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162020000200400
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Performance of juveniles of Pseudoplatystoma fasciatum fed graded levels of corn gluten meal PAB
Bicudo,Álvaro José de Almeida; Borghesi,Ricardo; Dairiki,Jony Koji; Sado,Ricardo Yuji; Cyrino,José Eurico Possebon.
The objective of this work was to evaluate corn gluten meal (CGM) as a substitute for fish meal in diets for striped catfish (Pseudoplatystoma fasciatum) juveniles. Eight isonitrogenous (46% crude protein) and isoenergetic (3,450 kcal kg-1 digestible energy) diets, with increasing levels of CGM - 0, 6, 12, 18, 24, 30, 36, and 42% -, were fed to juvenile striped catfish (113.56±5.10 g) for seven weeks. Maximum values for weight gain, specific growth rate, protein efficiency ratio and feed conversion ratio, evaluated by polynomial quadratic regression, were observed with 10.4, 11.4, 15.4 and 15% of CGM inclusion, respectively. Feed intake decreased significantly from 0.8% CGM. Mesenteric fat index and body gross energy decreased linearly with increasing...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternative protein source; Carnivorous fish; Fish nutrition; Neotropical species; Plant protein sources; Striped catfish.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2012000600015
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Poultry by-product meal as dietary protein source for dourado, Salminus brasiliensis: an economic appraisal Scientia Agricola
Donadelli,Renan Antunes; Aguilar,Fredy Armando Aguilar; Sonoda,Daniel Yokoyama; Cyrino,José Eurico Possebon.
ABSTRACT: The dourado, Salminus brasiliensis, a large, carnivorous, Neotropical, Characin, is highly regarded for fish farming and sport fishing alike. However, studies on the farming and husbandry of dourado are still scarce. This study evaluated the performance of dourado fed diets formulated so as to contain increasing levels of poultry by-product meal as a replacement for fish meal and aimed to identify the maximum level of replacement to maximize profit. The trial was set up in a closed recirculation system with controlled water quality (temperature 27 °C, dissolved oxygen 6.5 mg L−1, pH 7.4, and ammonia 0.25 mg L−1). Juvenile fish were stocked in tanks in a completely randomized design, acclimatized to system conditions and experimental diets, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fish nutrition; Alternative feedstuffs; Economic evaluation.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162019001300190
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Regressão segmentada como modelo na determinação de exigências nutricionais de peixes Scientia Agricola
Portz,Leandro; Dias,Carlos Tadeu dos Santos; Cyrino,José Eurico Possebon.
A produção de peixes como atividade agroindustrial vem crescendo consideravelmente, motivando o crescimento das indústrias especializadas em produção de rações para peixes e crustáceos e criando grande demanda por conhecimentos específicos sobre as exigências nutricionais das várias espécies de peixes e crustáceos utilizados em aquicultura comercial. As exigências nutricionais dos organismos aquáticos podem ser influenciadas por vários fatores, incluindo tamanho do peixe, composição e forma da dieta, manejo alimentar, sistema e regime de produção. Além disso os tipos de modelos estatísticos e matemáticos utilizados na determinação destas exigências podem ou não ser adequados à estimativa dos parâmetros biológicos avaliados. O presente trabalho apresenta...
Tipo: Info:eu-repo/semantics/article Palavras-chave: "broken-line"; Exigência nutricional; Peixe.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162000000400002
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Relação energia: proteína na nutrição do tucunaré Scientia Agricola
Sampaio,Ana Maria Barreto de Menezes; Kubitza,Fernando; Cyrino,José Eurico Possebon.
O objetivo deste estudo foi avaliar o efeito da relação energia:proteína no desempenho e composição corporal do tucunaré. Para tanto, 196 alevinos de tucunarés (Cichla sp.), condicionados a aceitar alimentos secos, com peso médio vivo de 10 g, foram estocados em gaiolas de tela de volume igual a 25 L, alojadas em 16 caixas de cimento amianto com volume de 500 L, instaladas em uma estufa e abastecidas por um sistema fechado de recirculação de água. Os peixes foram alimentados ad libitum com ração seca em duas refeições diárias, por um período de 65 dias com quatro rações isoenergéticas (3.500 kcal de ED kg-1 de ração), com níveis de proteína bruta de 41%, 37%, 33% e 30% de forma a obter uma relação ED:PB de 8, 9, 10 e 11 kcal de ED g-1 de PB,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cichla sp.; Taxa de eficiência; Proteína; Valor produtivo; Energia bruta.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162000000200004
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