Activity of digestive enzymes in yolk-sac larvae of Atlantic halibut (Hippoglossus hippoglossus): indication of readiness for first feeding

Gawlicka, Anna K.; Parent, Brigitte; Horn, Michael H.; Ross, Neil W.; Opstad, Ingegjerd; Torrissen, Ole

doi:10.1016/s0044-8486(99)00322-1

Cited by 208 publications

(139 citation statements)

References 50 publications

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“…Activity of alkaline phosphatase (ALP) is an indicator for nutrient absorption in epithelial layers (Harpaz and Uni, 1999;Gawlicka et al, 2000). Pengba has lesser ALP activity when compared to other herbivorous fishes (Harpaz and Uni, 1999).…”

Section: R Ramesh Et Almentioning

confidence: 99%

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.

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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.

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Section: R Ramesh Et Almentioning

confidence: 99%

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.

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“…The result of trypsin activity of shrimp in our present experiment was similar with the results of the above-mentioned researches. Some authors have hypothesised that growth capacity could be limited by digestion and nutrient transport capacities (Lemieux et al 1999;Gawlicka et al 2000). The enzymatic protein hydrolysates are composed of a certain amount of free amino acids and short chain peptides that could enhance the larval performance of fish species based on the assumption that an 'immature' digestive system limits nutrient absorption (Ruttanapornvareesakul et al 2006).…”

Section: Trypsin Activity Of Shrimpmentioning

confidence: 99%

Effects of graded replacement of fish meal by fish protein hydrolysate on growth performance of early post-larval Pacific white shrimp (Litopenaeus vannamei, Boone)

Niu

Zhang

Liu

et al. 2013

Journal of Applied Animal Research

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Five dietary concentrations of fish protein hydrolysate (0, 9, 18, 27 and 36%) were included in five isonitrogenous diets (H0, H9, H18, H27 and H36) replacing fish meal by 0, 15, 30, 46 and 61% and offered to triplicate groups of early white shrimp post-larvae (mean initial wet weight 2 mg). After the 30-day feeding trial, the highest values of survival were obtained with shrimp fed diets H18 and H27. Final mean body wet weights (FBW, mg) of shrimp fed diets H9, H18, H27 and H36 were significantly higher than that of shrimp fed diet H0. Biomass gain (BG, g) of shrimp fed diets H18 and H27 were significantly higher than that of shrimp fed diets H0, H9 and H36. Specific growth rate (SGR, % day(1 ) showed the same pattern as FBW. Weight gain (WG, %) of shrimp fed diets H18 and H27 were significantly higher than that of shrimp fed diets H0 and H9. The trypsin activities of shrimp fed diets H9, H18, H27 and H36 were significantly higher than that of shrimp fed diet H0. Second-degree polynomial regression analysis on BG and WG indicated the appropriate supplement of fish protein hydrolysate in the diet of early white shrimp post-larvae should be between 21.22 and 26.35% of diet.

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“…This implies that trypsin activity does not represent ssetryp1 necessarily; ii) Diet composition, as well as type and abundance of prey can modulate trypsin activity. Some studies have reported that live prey can contribute up to 8-10 % of trypsin activity (Gawlicka et al, 2000;Perez-Casanova et al, 2006). Furthermore, Pedersen and Hjelmeland (1988) showed evidence of trypsin activity being retained in the gut of herring fed on varying amounts of live food; iii) Compound diets might contain trypsin inhibitors modulating activity (Ribeiro et al, 2002).…”

Section: Effect Of Feeding Regime On Trypsinogen Gene Expression and mentioning

confidence: 99%

Effect of different diets on proteolytic enzyme activity, trypsinogen gene expression and dietary carbon assimilation in Senegalese sole (Solea senegalensis) larvae

Gamboa‐Delgado

Vay

Fernández‐Díaz

et al. 2011

Comparative Biochemistry and Physiology Part B: Biochemistry an

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Activity of digestive enzymes in yolk-sac larvae of Atlantic halibut (Hippoglossus hippoglossus): indication of readiness for first feeding

Cited by 208 publications

References 50 publications

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

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

Effects of graded replacement of fish meal by fish protein hydrolysate on growth performance of early post-larval Pacific white shrimp (Litopenaeus vannamei, Boone)

Effect of different diets on proteolytic enzyme activity, trypsinogen gene expression and dietary carbon assimilation in Senegalese sole (Solea senegalensis) larvae

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