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Abundance, distribution and feeding patterns of a temperate reef fish in subtidal environments of the Chilean coast: the importance of understory algal turf RChHN
PALMA,ÁLVARO T.; OJEDA,F. PATRICIO.
Cheilodactylus variegatus is an abundant carnivorous demersal reef fish that lives in the shallow subtidal of the north-central Chilean coast. Characteristically, these environments are dominated by kelp forests of Lessonia trabeculata. This species preys on a great variety of benthic invertebrates, and shows particularly high consumption rates on amphipod crustaceans. In our study, two widely separated populations of C. variegatus were considered (central and northern Chile). Individuals that form part of these populations show considerable differences in their distribution, abundance and trophic behavior. In the northern zone, the species is abundant and both juveniles and adults are distributed along the whole bathymetric gradient. This contrasts with...
Tipo: Journal article Palavras-chave: Cheilodactylidae; Shallow subtidal; Understory macroalgae; Carnivorous fish; Amphipods; Distribution; Abundance; Chile.
Ano: 2002 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2002000100018
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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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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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Exigência proteica em dietas para alevinos do dourado (Salminus brasiliensis) - DOI: 10.4025/actascianimsci.v32i1.7387 Animal Sciences
Teixeira, Benjamim; Instituto Federal Catarinense de Educação, Ciência e Tecnologia; Machado, Carolina Charvet; UFSC; Fracalossi, Débora Machado; UFSC, Florianópolis.
A exigência proteica de alevinos de dourado foi avaliada por meio de dois ensaios, e as concentrações proteicas das dietas variaram de 32,29 a 57,63% no Experimento I e de 33,93 a 53,61% no Experimento II. O peso inicial dos alevinos foi de 0,75 e 5,68 g, para os Experimentos I e II, respectivamente. As dietas foram formuladas com ingredientes semipurificados e eram isoenergéticas dentro de cada ensaio. Os peixes foram alimentados até a saciedade aparente, duas vezes ao dia (9 e 16h), durante 29 dias no Experimento I e 94 dias no Experimento II. A análise de regressão revelou aumento linear do ganho em peso com o aumento da concentração proteica no Experimento I, indicando que a exigência proteica de alevinos de dourado de 0,75 a 3,04 g foi de, pelo menos...
Tipo: Experimento realizado em tanques de 120 L, inclui análises laboratoriais Palavras-chave: 5.04.03.01-0; 5.06.03.04-3 Nutrição; Dietas purificadas; Peixes carnívoros Exigências Nutricionais dos Animais; Piscicultura Nutrition; Semipurified diets; Carnivorous fish.
Ano: 2009 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/7387
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Exogenous enzymes on the feeding of pirarucu Arapaima gigas Schinz. 1822 (Osteoglossiformes. Arapaimidae). Repositório Alice
CAVERO, B. A. S.; ITUASSU, D. R.; GANDRA, A. L.; MARINHO-PEREIRA, T.; FONSECA; PEREIRA-FILHO, M..
EN-US: The objective of this work was to verify the effect of exogenous digestive enzymes protease, lipase and amylase on the feeding of pirarucu. In a completely randomized design, we tested three levels of inclusion for both exogenous enzymes against a control commercial feed lacking any enzymatic enrichment. Inclusion levels were as follows: (Control) = no enzymes; (T1) = 0.1% Amylase; (T2) = 0.2% Amylase; (T3) = 0.4% Amylase; (T4) = Protease 0.1%; (T5) = Protease 0.2%; (T6) = Protease 0.4%; (T7) = Lipase 0.1%; (T8) = Lipase 0.2%; (T9) = Lipase 0.4% . After the end of the experiment it was possible to find a significant difference (p < 0.05) in relation to the Control treatment only in the zootechnical data of the treatments that added protease and...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Carnivorous fish; Lípase; Protease; Amylases; Animal nutrition.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1110167
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Feed training of giant trahira fingerlings fed diets containing different levels of vitamin C R. Bras. Zootec.
Kasai,Rodrigo Yutaka Dichoff; Salaro,Ana Lúcia; Zuanon,Jener Alexandre Sampaio; Sabarense,Céphora Maria; Tavares,Mateus Moraes; Campelo,Daniel Abreu Vasconcelos.
The objective of this work was to evaluate suplemenation of vitamin C during feed training of giant trahira fingerlings. An experiment was established in a complete random design with seven treatments (0.0, 17.5, 52.5, 87.5, 122.5, 175.0 and 350.0 mg vitamin C/kg diet) and four repetitions. Giant trahira fingerlings (2.8 ± 0.2 cm) were distributed in 6-L aquaria at the density of 6 fish/L. A basal diet was formulated with 44.0% of crude protein and vitamin C and bovine heart were added in it daily. After 20 days, biometry of fish for evaluation of weight and length gains, rates of survival and cannibalism and uniformity of final length and for macroscopic observations of clinical signs of deficiency or excess of vitamin was carried out. After biometry...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cannibalism; Carnivorous fish; Hoplias lacerdae; Length uniformity; Lipid profile.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000300001
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Feed training of juvenile giant trahira under different light intensities R. Bras. Zootec.
Salaro,Ana Lúcia; Tavares,Mateus Moraes; Chaves,William; Campelo,Daniel Abreu Vasconcelos; Zuanon,Jener Alexandre Sampaio; Luz,Ronald Kennedy.
The aim of this study was to evaluate the influence of light intensity on the feed training of juvenile giant trahiras (Hoplias lacerdae). A completely randomized design with four light treatments and three replicates was used, and the following light intensities were tested: 204.9; 177.58; 54.64 and 0.00 lux. Juvenile giant trahiras (length = 3.0 ± 0.4 cm and weight = 0.5 ± 0.05 g) were stocked at 6 fish L-1 in 12 rectangular tanks (24 × 20 × 14 cm) containing six liters of water, and subjected to feed training to accept dry diets. At the end of the experiment (21 days), weight gain, length gain, survival, cannibalism, and mortality rates were evaluated. Data were subjected to regression analysis at 5% probability. Different light intensities did not...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cannibalism; Carnivorous fish; Feed training; Hoplias lacerdae; Light.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011001100002
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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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Gelatin in replacement of bovine heart in feed training ofLophiosilurus alexandri in different water salinities Anais da ABC (AABC)
SALARO,ANA LUCIA; OLIVEIRA JUNIOR,JOSÉ C.; LIMA,FREDERICO W.; FERRAZ,RENATO B.; PONTES,MARCELO D.; CAMPELO,DANIEL A.V.; ZUANON,JENER A.S.; LUZ,RONALD K..
ABSTRACT The aim of this study was to evaluate commercial gelatin in the total replacement of bovine heart in feed training of "pacamã" Lophiosilurus alexandri in different water salinities. A completely randomized experimental design, in a 2 × 3 factorial arrangement, was performed using two types of moist ingredients (bovine heart and gelatin) and three water salinities (0.0; 2.0 and 4.0 g of salt L-1) with three replications. Juveniles (2.39 ± 0.08 cm standard length and 0.20 ± 0.03 g of weight) were conditioned to accept commercial diets by the technique of the gradual transition of ingredients. At the end of 36 days no differences were observed to weight gain, length gain and specific growth rate. The feed training efficiency was better (P < 0.05)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carnivorous fish; Feed training efficiency; Management efficiency; Neotropical fish.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652015000502281
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Growth performance and body composition of giant trahira fingerlings fed diets with different protein and energy levels PAB
Veras,Galileu Crovatto; Salaro,Ana Lucia; Zuanon,Jener Alexandre Sampaio; Carneiro,Antonio Policarpo Souza; Campelo,Daniel Abreu Vasconcelo; Murgas,Luis David Solis.
The objective of this work was to determine the proper levels of protein and energy in diets of Hoplias lacerdae fingerlings. The dietary crude protein (CP) and gross energy (GE) levels for fingerlings of giant trahira were evaluated in a completely randomized 4x3 factorial design with 35, 39, 43 and 47% CP and 4,100, 4,300 and 4,500 kcal kg-1 of GE, and four replicates. The survival rate was 99.22%, and a linear improvement on the performance parameters was detected after increasing diet crude protein levels. Feed conversion ratio decreased with increasing levels of dietary protein and energy in the diets. A significant interaction between crude protein and gross energy was observed over body protein and mineral matter. Body lipid has increased linearly...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hoplias lacerdae; Carnivorous fish; Nutrition.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2010000900012
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Hybrid sorubim viscera protein concentrate in the diets for barred sorubim. Repositório Alice
HISANO, H.; FONSECA, G. G.; RUSSO, M. R.; DELLA FLORA, M. A. L.; ISHIKAWA, M. M.; PÁDUA, S. B..
2013
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Peixe carnívoro; Hemograma; Carnivorous fish; Hemogram.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/handle/doc/970874
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Níveis de proteína bruta para juvenis de pirarucu. Repositório Alice
ITUASSÚ, D.R.; PEREIRA FILHO, M.; ROUBACH, R.; CRESCÊNCIO, R.; CAVERO, B.A.S.; GANDRA, A.L..
O objetivo deste trabalho foi avaliar o efeito de quatro níveis de proteína sobre o crescimento de juvenis de pirarucu, Arapaima gigas. O experimento foi conduzido em delineamento inteiramente casualizado, com de quatro tratamentos (32,7%, 39,3%, 43,4% e 48,6% de proteína bruta), três repetições cada. Foram utilizados 120 peixes, com peso médio inicial de 120,6±3,5 g, distribuídos homogeneamente em 12 tanques-rede de 1 m3 cada, contendo dez peixes por tanque. Após 45 dias, os resultados indicaram que as dietas com 48,6% de proteína resultaram em melhor ganho de peso, crescimento específico e composição corporal diferenciada. A conversão alimentar e a eficiência da ração não produziram diferenças entre os tratamentos. O nível de proteína na ração que produz...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Arapaima gigas; Aqüicultura; Nutrição de peixes; Dietas práticas; Peixes carnívoros; Aquaculture; Fish nutrition; Pratical diets; Carnivorous fish.
Ano: 2005 URL: http://www.alice.cnptia.embrapa.br/handle/doc/113878
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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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Saline water for juvenile giant trahira during feed training R. Bras. Zootec.
Salaro,Ana Lúcia; Campelo,Daniel Abreu Vasconcelos; Pontes,Marcelo Duarte; Tavares,Mateus Moraes; Zuanon,Jener Alexandre Sampaio; Luz,Ronald Kennedy.
The objective of this study was to investigate the effect of different water salinities on juvenile Hoplias lacerdae during feed training. Salinity levels of 0, 3, 6 and 9 g salt L-1 were used. Juveniles (3.33±0.1 cm and 0.6±0.09 g) were stocked at a density of six fish L-1 in aquaria (10 L volume) with supplementary aeration. Weight gain, length gain, and rates of survival, mortality, and cannibalism were evaluated after 20 days. Total mortality was observed in 0 g of salt L-1. The best survival rates of 98.7 and 97.5% were recorded in 3 and 6 g of salt L-1, respectively. The greatest weight gain was recorded in fish grown in 3 g of salt L-1 followed by fish grown in 6 g of salt L-1. Length gain was similar in the 3 and 6 g salt L-1 groups. No weight or...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carnivorous fish; Formulated diet; Hoplias lacerdae; Salinity.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000600004
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