Early weaning of sea bass (Dicentrarchus labrax) larvae with a compound diet: Effect on digestive enzymes

Cahu, Chantal; Zambonino-Infante, José‐Luis

doi:10.1016/0300-9629(94)90123-6

Cited by 252 publications

(207 citation statements)

References 33 publications

Supporting

Mentioning

174

Contrasting

Unclassified

Order By: Relevance

“…Genes coding for basic proteolytic enzymes (trypsins) displayed an increasing pattern of expression from 7 until 17 dph, and amylase expression decreased from 17 dph onwards. Similar results for trypsin (Srivastava et al, 2002;Murray et al, 2004;Darias et al, 2007a) and amylase (Cahu & Zambonino-Infante, 1994;Tanaka et al,1996;Douglas et al, 2000;Darias et al, 2006) ontogenesis have also been observed in several other fish species. Such expression patterns agree with a progressive adaptation of digestive enzymes of reared larvae to diets containing around 60% protein.…”

Section: Digestionsupporting

confidence: 68%

Gene Expression Patterns During the Larval Development of European Sea Bass (Dicentrarchus Labrax) by Microarray Analysis

et al. 2008

View full text Add to dashboard Cite

Abstract:During the larval period, marine teleosts undergo very fast growth and dramatic changes in morphology, metabolism, and behavior to accomplish their metamorphosis into juvenile fish. Regulation of gene expression is widely thought to be a key mechanism underlying the management of the biological processes required for harmonious development over this phase of life. To provide an overall analysis of gene expression in the whole body during sea bass larval development, we monitored the expression of 6,626 distinct genes at 10 different points in time between 7 and 43 days post-hatching (dph) by using heterologous hybridization of a rainbow trout cDNA microarray. The differentially expressed genes (n = 485) could be grouped into two categories: genes that were generally up-expressed early, between 7 and 23 dph, and genes up-expressed between 25 and 43 dph. Interestingly, among the genes regulated during the larval period, those related to organogenesis, energy pathways, biosynthesis, and digestion were over-represented compared with total set of analyzed genes. We discuss the quantitative regulation of whole-body contents of these specific transcripts with regard to the ontogenesis and maturation of essential functions that take place over larval development. Our study is the first utilization of a transcriptomic approach in sea bass and reveals dynamic changes in gene expression patterns in relation to marine finfish larval development.

show abstract

Section: Digestionsupporting

confidence: 68%

Gene Expression Patterns During the Larval Development of European Sea Bass (Dicentrarchus Labrax) by Microarray Analysis

et al. 2008

View full text Add to dashboard Cite

show abstract

“…In contrast, LopezLopez et al (2005) reported that protease activity and dietary protein levels were not correlated with growth performance of fish. In seabass juveniles, the activity of trypsin was found to be unresponsive to protein diets (Cahu and Zambonino Infante, 1994). The activities of proteolytic enzymes increased with increase in dietary protein up to 45% and thereafter declined in fish fed with 50% protein diet.…”

Section: R Ramesh Et Almentioning

confidence: 94%

Effect of varying protein levels on growth and digestive enzyme activities of pengba Osteobrama belangeri (Valenciennes, 1844)

Dube

Reddy

et al. 2017

Indian J. Fish.

View full text Add to dashboard Cite

Pengba, Osteobrama belangeri (Valenciennes, 1844) is considered as one of the candidate species for diversification of aquaculture. However, only scanty information is available on its nutrient requirements. Hence, the present study was conducted on growth and digestive enzyme activities of pengba fry in response to different dietary protein levels. Six semi-purified isocaloric diets were formulated with different levels of protein at 5% increments (25, 30, 35, 40, 45 and 50%) and fed to different groups of pengba fry for a period of 60 days. Survival of fish was significantly influenced by different protein levels (p<0.05). The highest weight gain% and specific growth rate (4.17% day -1 ) was obtained at 45% protein level which thereafter declined. The best feed conversion ratio (1.46) was observed at 45% protein level and the highest protein efficiency ratio (2.14) was obtained at 25% protein level with significant difference (p<0.05). The crude protein content of fish was significantly affected by dietary protein levels (p<0.05) and highest was recorded at 45% protein diet. Moisture, ether extract and ash content did not show significant (p>0.05) variation among dietary treatments. The activity of proteolytic enzymes (proteases, typsin and chymotrypsin) and acid phosphatase were signicantly (p<0.05) enhanced by dietary protein levels up to 45%, which were found to decline thereafter. Amylase activity was significantly decreased as protein levels increased in the diet. Lipase and alkaline phosphatase activities were not influenced by dietary protein levels. In the present study, penbga fry fed with 45% protein diet, showed the best growth performance and highest digestive enzyme activities. The activity of digestive enzymes in the gut clearly demonstrated that the proteolytic enzymes are activated in response to dietary protein utilisation and also revealed that pengba fry may require high protein (45%) diet for better growth and survival. Second order polynomial regression analysis revealed that the maximum protein requirement of pengba fry was 45.1% (r 2 = 0.90). The findings of the study is expected to have significant implications for feed development for pengba aquaculture.

show abstract

“…Estudos realizados em espécies juvenis de pacu Piaractus mesopotamicus (Moraes & Bidinotto, 2000), tambaqui Colossoma macropomum (Correa, 2002) e em híbrido tambacu C.macropomum x P. mesopotamicus (Correa et al, 1998) mostraram a indução da atividade da amilase nas diferentes regiões do trato digestivo dos peixes com a utilização de diferentes níveis de carboidratos na ração. Em larvas de "sea bass" (Dicentrarchus labrax), Cahu & Zambonino-Infante (1994) verificaram aumento da atividade da amilase, quando esses animais receberam dietas com 12% de amido, em relação às larvas que receberam alimento vivo. Segundo Seixas Filho et al (1999), a diferença observada na atividade específica da amilase pancreática da piracanjuba (Brycon orbignyanus) e do piau (Leporinus friderici) pode ter ocorrido em virtude da morfometria e do complexo arranjo de pregas da mucosa dos intestinos médio e posterior desses peixes.…”

Section: Introductionunclassified

Desempenho e atividade de amilase em tilápias-do-nilo submetidas a diferentes temperaturas

Moura

Oliveira²,

Lanna

et al. 2007

Pesq. agropec. bras.

View full text Add to dashboard Cite

Resumo -O objetivo deste trabalho foi avaliar o desempenho e a atividade de amilase em quimo de tilápias-do-nilo macho, linhagem tailandesa, submetidas a quatro diferentes temperaturas. O experimento foi conduzido em delineamento inteiramente casualizado, com quatro tratamentos (20, 24, 28 e 32 o C), seis repetições e dez peixes por unidade experimental. A dieta utilizada foi igual para todos os tratamentos. Aos 55 dias do experimento, o consumo de ração aparente, ganho de peso, conversão alimentar aparente, atividade de amilase e atividade específica da amilase foram avaliados. O consumo de ração aparente e o ganho de peso aumentaram linearmente com o aumento da temperatura. Na conversão alimentar aparente, foi observado efeito quadrático em função da temperatura com melhora na conversão de 1,79 a 1,00 com o aumento da temperatura até 29,15 o C. Observou-se efeito linear na atividade da amilase e na atividade específica da amilase em função da temperatura, com maior atividade de amilase e menor atividade específica de amilase a 32 o C. A temperatura da água influencia o desempenho e a atividade da amilase em tilápias-do-nilo.Termos para indexação: Oreochromis niloticus, enzimas, fisiologia de peixes, piscicultura. Performance and amylase activity in Nile tilapia submitted to different temperaturesAbstract -The objective of this work was to evaluate the performance and amylase activity in chime of Nile tilapia male, Thai line, submitted to four different temperatures. The experimental design was completely randomized with four treatments (20, 24, 28 and 32 o C), six replicates and ten fishes per experimental unit. The diet was the same for all treatments. At 55 days of experiment, apparent feed intake, weight gain, apparent feed conversion, amylase activity and specific amylase activity were evaluated. The apparent feed intake and weight gain increased linearly with temperature increase. For apparent feed conversion, quadratic effect was observed as a function of temperature, showing a conversion improvement of 1.79 to 1.00 with the increase of the temperature until 29,15 o C. Linear effect in amylase activity and specific amylase activity was observed as a result of temperature, comprising high amylase activity and low specific amylase activity at 32 o C. Water temperature influences the performance and amylase activity in Nile tilapia.

show abstract

Early weaning of sea bass (Dicentrarchus labrax) larvae with a compound diet: Effect on digestive enzymes

Cited by 252 publications

References 33 publications

Gene Expression Patterns During the Larval Development of European Sea Bass (Dicentrarchus Labrax) by Microarray Analysis

Gene Expression Patterns During the Larval Development of European Sea Bass (Dicentrarchus Labrax) by Microarray Analysis

Effect of varying protein levels on growth and digestive enzyme activities of pengba Osteobrama belangeri (Valenciennes, 1844)

Desempenho e atividade de amilase em tilápias-do-nilo submetidas a diferentes temperaturas

Contact Info

Product

Resources

About