Tilapia Production Systems in the Americas: Technological Advances, Trends, and Challenges

Watanabe, Wade O.; Losordo, Thomas M.; Fitzsimmons, K.; Hanley, Fred

doi:10.1080/20026491051758

Cited by 152 publications

(111 citation statements)

References 21 publications

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“…A criação de tilápias-do-nilo (Oreochromis niloticus L., 1758) tem crescido, e esta é, atualmente, a terceira espécie de maior importância econômica na aquicultura mundial (Watanabe et al, 2002). O Brasil ocupa o sexto lugar na produção de tilápia, e é responsável por 3,3% do total da produção (Food and Agriculture Organization of the United Nations, 2007).…”

Section: Introductionunclassified

Óleo de cravo como anestésico em adultos de tilápia-do-nilo

Simões

Paiva

Gomes

2010

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi testar a eficiência do óleo de cravo como anestésico em adultos de tilápia-do-nilo (Oreochromis niloticus) e avaliar, sensorialmente, o aroma e o sabor do filé, após a anestesia. No primeiro experimento, os peixes foram expostos a banhos anestésicos em diferentes concentrações de óleo de cravo (0, 100, 150, 200, 250 e 350 mg L -1 ). No segundo experimento, avaliaram-se diferentes tempos (10, 20 e 30 minutos) de exposição à anestesia. Finalmente, o aroma e o sabor dos filés de tilápia foram testados, em diferentes tempos de exposição à concentração adequada de óleo de cravo. A concentração de 250 mg L -1 de óleo de cravo foi adequada para a indução de parada dos batimentos operculares em adultos de tilápia, e para a anestesia voltada para biometria e breve manejo, a concentração recomendada é 100 mg L -1 . Os filés de tilápias previamente anestesiadas com óleo de cravo apresentaram diferença moderada no aroma e no sabor logo após a anestesia. O óleo de cravo é um anestésico eficaz no manejo de adultos de tilápia em procedimentos de rotina na piscicultura, porém o abate de tilápias deve ser realizado a partir de 12 horas após a exposição a este anestésico, para não induzir alteração nas características organolépticas dos filés de peixes anestesiados.Termos para indexação: Oreochromis niloticus, análise sensorial, filés, sedação. Clove oil as an anesthetic on Nile tilapia adultsAbstract -The objective of this study was to test the efficiency of clove oil as an anesthetic for adult tilapia (Oreochromis niloticus) and to evaluate, sensorially, the aroma and taste of fillets after anesthesia. In the first experiment, fish were exposed to different clove oil concentrations (0, 100, 150, 200, 250 and 350 mg L -1 ) of anesthetic baths. In the second experiment, different times of exposure (10, 20 and 30 minutes) to anesthesia were evaluated. Finally, the aroma and taste of the tilapia fillets, when exposed to optimal concentration of clove oil, were tested. The concentration of 250 mg L -1 of clove oil was adequate to induce lower opercular movement in adult tilapia, and for anesthesia for biometrics and brief management, the recommended concentration is 100 mg L -1 . Fillets from tilapia anesthetized with clove oil showed a moderate difference in aroma and taste just after anesthesia. Thus, clove oil is an effective anesthetic for the management of adult tilapia as a routine procedure in fish farming, however tilapias should be slaughtered 12 hours after exposure to the drug, so as not to change the organoleptic characteristics of anesthetized fishes.

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Section: Introductionunclassified

Óleo de cravo como anestésico em adultos de tilápia-do-nilo

Simões

Paiva

Gomes

2010

Pesq. agropec. bras.

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“…The O 2 , NO 2 -N, NO 3 -N, TAN and PO 4 -P content of the water in the rearing system were 8.1±0.67 mg/l, 0.08±0.02 mg/l, 5.39±1.63 mg/l, 0.22±0.45 mg/l and 2.38±0.65 mg/l (n=6), respectively. Rearing conditions were determined to correspond the culture parameters in intensive indoor recirculating aquaculture systems (RAS) described by Muir et al (2000) and Watanabe et al (2002).…”

Section: Experimental Fish Feeding and Culture Facilitiesmentioning

confidence: 99%

Fatty acid profile of fillet, liver and mesenteric fat in tilapia (<i>Oreochromis niloticus</i>) fed vegetable oil supplementation in the finishing period of fattening

et al. 2012

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Tilapia (Oreochromis niloticus) previously reared on a commercial feed were shifted to 3 experimental diets with added 5 % of soybean, linseed oil or fish oils, for 42 days as a finishing diet, according to literature recommendations. Fillet, liver and mesenteric fat total lipid fatty acid composition was determined and evaluated taking health and dietary recommendations into consideration. It was found that dietary vegetable oil fatty acids are effectively incorporated into tilapia hepatic and muscular total lipids, but have no pronounced effect on further fatty acid metabolism, in particular on the n-3 fatty acids. Liver was found to sensitively indicate elevated dietary lipid intake, as proven by its higher, most probably endogenous palmitate synthesis. Based on our results the application of vegetable oils to partially substitute fish oil for tilapia can be recommended in relation to the most important dietary lipid quality indicators.

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“…Due to omnivore in feeding, survive in poor water quality, breed easily in confined different types of water body and cheap source of animal protein in human diet fish farmers consider tilapia into farming (Pillay 1990). Today, tilapia has become one of the most common farm raised fish in the world, after the carps in terms of total production (Watanabe et al 2002).…”

Section: Introductionmentioning

confidence: 99%

Effect of stocking densities on growth, production and survival rate of red tilapia in hapa at fish hatchery Chilya Thatta, Sindh, Pakistan

Daudpota¹,

Kalhoro²,

Shah³

et al. 2014

J. Fish.

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Effect of stocking density on growth, production and survival of red tilapia (Oreochromis mossambicus × O. niloticus) were conducted in hapa for 60 days at Chilya Thatta. Tilapia fry (4.5±0.02 cm, 2.0±0.01 g) were stocked into hapa (4.5x2.4x1 m). Three treatments with two replicates were used: T 1 -200; T 2 -250 and T 3 -300 fry/hapa. Fry were fed twice a daily with pelleted feed containing 35% protein, 5% of total biomass. After 60 days, the highest growth were determined in T 1 (49.8±0.0 g) while in T 3 lowest growth (29.09±0.0 g) was recorded. Production (9.56, 10.13 and 8.12 kg/m 3 /60days) in T 1 , T 2 and T 3 respectively were significantly different (P<0.05) to each other. Feed conversion ratio of 0.48, 0.48 and 0.49 in T 1 , T 2 and T 3 , respectively not significantly different (P>0.05). Survival was significantly different among treatments (P<0.01). Highest survival (100%) was attained in T 1 with lower stocking density, followed by T 2 (98%) and T 3 (95%). Water quality parameters recorded throughout the study period were found within the ranges for fish culture such as temperature 27.2 to 28.5 °C, dissolved oxygen 5.8 to 6.4 mg/l, pH 6.9 to 7.6, ammonia from 0.45 to 0.51 mg/l, hardness 106 to 110 ppm and nitrite 0.151 to 0.162 mg/l.

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Tilapia Production Systems in the Americas: Technological Advances, Trends, and Challenges

Cited by 152 publications

References 21 publications

Óleo de cravo como anestésico em adultos de tilápia-do-nilo

Óleo de cravo como anestésico em adultos de tilápia-do-nilo

Fatty acid profile of fillet, liver and mesenteric fat in tilapia (<i>Oreochromis niloticus</i>) fed vegetable oil supplementation in the finishing period of fattening

Effect of stocking densities on growth, production and survival rate of red tilapia in hapa at fish hatchery Chilya Thatta, Sindh, Pakistan

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Tilapia Production Systems in the Americas: Technological Advances, Trends, and Challenges

Cited by 152 publications

References 21 publications

Óleo de cravo como anestésico em adultos de tilápia-do-nilo

Óleo de cravo como anestésico em adultos de tilápia-do-nilo

Fatty acid profile of fillet, liver and mesenteric fat in tilapia (&lt;i&gt;Oreochromis niloticus&lt;/i&gt;) fed vegetable oil supplementation in the finishing period of fattening

Effect of stocking densities on growth, production and survival rate of red tilapia in hapa at fish hatchery Chilya Thatta, Sindh, Pakistan

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Fatty acid profile of fillet, liver and mesenteric fat in tilapia (<i>Oreochromis niloticus</i>) fed vegetable oil supplementation in the finishing period of fattening