The influence of temperature and ration on growth, feed conversion, body composition and nutrient retention of juvenile turbot (Scophthalmus maximus)

Ham, Erich H. Van; Berntssen, Marc H.G.; Imsland, Albert K.; Parpoura, Alkistis C.R.; Bonga, S.E. Wendelaar; Stefansson, Sigurd O.

doi:10.1016/s0044-8486(02)00411-8

Cited by 163 publications

(115 citation statements)

References 22 publications

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“…In our study there was very often excess pellets at the bottom of the tank, which may indicate that despite having unlimited access to feeds in the time span offered, fish may not have fed to satiation, and may very well have exposed an effect of compensatory growth similar effect to that of juvenile turbot (Van Ham et al 2003).…”

Section: Effect Of Temperature On Feed Related Parametersmentioning

confidence: 72%

“…FCE for juvenile turbot has been found to accelerate until maximum FCE at T opt FCE, before decelerating again at suboptimal temperatures (Van Ham et al 2003). T opt FCE is generally somewhat lower than that of T opt SGR (Jobling 1997).…”

Section: Effect Of Temperature On Feed Related Parametersmentioning

confidence: 93%

“…Increase in the efficiency of food energy transformation to net energy (Brett & Groves 1979;Elliott 1982;Pörtner et al 2001;Van Ham et al 2003), thus increasing the scope for growth.…”

Section: The Physiology Of Temperature Related Growth In Juvenile Fishmentioning

confidence: 99%

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The effect of temperature and fish size on growth of juvenile lumpfish (Cyclopterus lumpus L.)

et al. 2014

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Section: Effect Of Temperature On Feed Related Parametersmentioning

confidence: 72%

Section: Effect Of Temperature On Feed Related Parametersmentioning

confidence: 93%

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The effect of temperature and fish size on growth of juvenile lumpfish (Cyclopterus lumpus L.)

et al. 2014

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“…Van Ham et al (2003) também observaram que juvenis de Scophtalmus maximus não apresentaram diferenças quanto ao coeficiente de variação de peso, quando alimentados até a saciedade ou com 65 e 35% da saciedade. A restrição alimentar pode causar o desenvolvimento de hierarquias, em que os peixes dominantes possuem maior acesso ao alimento, o que aumenta a variação de peso dentro de um grupo de peixes ao longo do tempo (Tucker et al, 2006).…”

Section: Resultsunclassified

“…bras., Brasília, v.48, n.8, p.906-912, ago. 2013 DOI: 10.1590/S0100-204X2013000800014 a obtenção de melhor conversão alimentar, com menor oferta de ração, é relevante, ao se considerar o elevado custo do alimento para a produção animal (Van Ham et al, 2003). A tainha (Mugil liza) é uma espécie com hábito alimentar detritívoro (Vasconcelos Filho et al, 2009).…”

Section: Introductionunclassified

Desempenho zootécnico e custos de alimentação de juvenis de tainha submetidos à restrição alimentar

Silva

Sampaio

Martins

et al. 2013

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar o efeito de restrição alimentar sobre o desempenho zootécnico e custo de alimentação em juvenis de tainha (Mugil liza). Foram avaliados cinco taxas de alimentação -100, 80, 60, 40 e 20% da saciedade, denominados F100%, F80%, F60%, F40% e F20% -, em triplicata. Juvenis com 0,21±0,03 g (n=30) foram distribuídos em 15 tanques de 200 L. A estimativa do custo foi feita quanto à produção de mil juvenis de tainha. A sobrevivência foi superior a 93%, e não houve influência dos tratamentos. A taxa de crescimento específico no tratamento F100% foi de 5,96±0,18% por dia, e o peso final foi aproximadamente seis vezes maior que o inicial. Tainhas do tratamento F20% apresentaram menor índice hepatossomático, hepatócitos e núcleos menores e menor reserva de glicogênio hepático em relação aos demais tratamentos. A redução da taxa de alimentação influenciou negativamente o crescimento de juvenis de tainha. No entanto, uma taxa de alimentação em torno de 72% da saciedade é capaz de promover o melhor aproveitamento do alimento consumido, com 28% de redução do custo da ração.Termos para indexação: Mugil liza, conversão alimentar, custo de produção, saciedade. Growth performance and feeding costs of juvenile mullet subjected to feed restrictionAbstract -The objective of this work was to evaluate the effect of restricted feeding on the growth and fed costs of juvenile mullet (Mugil liza). Five feeding levels -100, 80, 60, 40 e 20% satiation, named as F100%, F80%, F60%, F40% e F20% -were evaluated in triplicate. Juvenile mullets with 0.21±0.03 g (n=30) were randomly distributed in 15 tanks of 200 L. Cost estimation was done for the production of one thousand juvenile mullets. Survival was higher than 93%, and there was no influence of treatments. The specific growth rate of mullet in the F100% treatment was 5.96±0.18% per day, and the final weight was six-fold higher than the initial one. Mullets of the F20% treatment had the smallest liver somatic index, smallest hepatocytes and nuclei, and the smallest hepatic glycogen reserve, in comparison to fish of other treatments. The feeding level reduction hampered the juvenile mullet growth. However, a feeding level of about 72% satiation is capable of promoting a better utilization of the feed consumed, with 28% reduction of feed costs.Index terms: Mugil liza, feed conversion, production cost, satiety. IntroduçãoO manejo alimentar adequado é um dos fatores determinantes do sucesso do processo produtivo, uma vez que o consumo de alimentos influencia diretamente o crescimento e a conversão alimentar dos peixes (Mohseni et al., 2006). Restos alimentares decorrentes do manejo inadequado ou oriundos da baixa digestibilidade das rações podem comprometer a qualidade da água (Jana et al., 2006;Mohanta et al., 2008). As exigências nutricionais dos peixes também podem ser alteradas pelo consumo alimentar, pois a modificação da velocidade de passagem do bolo alimentar pelo estômago e intestino pode alterar a digestibilidade e absorção dos nutrientes (Fern...

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Combined effects of cadmium exposure and temperature on the annual killifish (Nothobranchius furzeri)

Philippe

Hautekiet

Grégoir

et al. 2018

Enviro Toxic and Chemistry

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Freshwater organisms are increasingly exposed to combinations of stressors. However, because it is time-consuming and costly, research on the interaction of stressors, such as compound toxicity and global warming on vertebrates, is scarce. Studies on multigenerational effects of these combined stressors are almost nonexistent. In the present study, we tested the combined effects of 4 °C warming and cadmium (Cd) exposure on life-history traits, biomarkers, bioaccumulation, and multigenerational tolerance in the turquoise killifish, Nothobranchius furzeri. The extremely short life cycle of this vertebrate model allows for assessment of sublethal and multigenerational effects within 4 mo. The applied Cd concentrations had only limited effects on the measured endpoints, which suggests that N. furzeri is more resistant to Cd than fathead minnow and rainbow trout. In contrast, the temperature increase of 4 °C was stressful: it delayed female maturation and lowered adult mass and fecundity. Finally, indications of synergistic effects were found on peak fecundity and embryonic survival. Overall, these results indicate the importance of studying chronic and multigenerational effects of combined stressors. Environ Toxicol Chem 2018;37:2361-2371. © 2018 SETAC.

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The influence of temperature and ration on growth, feed conversion, body composition and nutrient retention of juvenile turbot (Scophthalmus maximus)

Cited by 163 publications

References 22 publications

The effect of temperature and fish size on growth of juvenile lumpfish (Cyclopterus lumpus L.)

The effect of temperature and fish size on growth of juvenile lumpfish (Cyclopterus lumpus L.)

Desempenho zootécnico e custos de alimentação de juvenis de tainha submetidos à restrição alimentar

Combined effects of cadmium exposure and temperature on the annual killifish (Nothobranchius furzeri)

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