Effects of water temperature on survival, growth, digestive enzyme activities, and body composition of the leopard coral grouper Plectropomus leopardus

Sun, Zhijing; Shuping, Xia; Shu, Feng; Zhang, Zhenkui; Rahman, Mohammed Ataur; Rajkumar, M.; Jiang, S.G.

doi:10.1007/s12562-014-0832-9

Cited by 34 publications

(23 citation statements)

References 20 publications

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“…In this sense, it could be attributable to some biotical/abiotical factors such as physiological characters, temperature, climate, food content, and demands of species to biochemical compounds which are likely to affect the protease enzyme activity (Kreeger, 1993;Reid & Rauchert, 1976). Previous studies conducted with different fish types also reported the effect of salinity (Moutou, Panagiotaki, & Mamuris, 2004), illumination (Suzer, Saka, & Fırat, 2006), starvation (Zeng et al, 2012), temperature (Sun et al, 2015), and different foods (Diken, Demir, & Naz, 2018) on protease enzyme activity. It is commonly known that enzymatic activity in cultured animals is strongly effected by abiotical factors such as salinity, pH, illumination, and water parameters, especially, temperature.…”

Section: Discussionmentioning

confidence: 99%

Seasonal variations of digestive enzymes in sea cucumbers (Holothuria tubulosa, G. 1788) under culture conditions

2019

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Sea cucumber, Holothuria tubulosa (Gmelin, 1788), is an economically valuable species due to its rich nutrients content that being exported in Turkey. However, culture of this species is difficult due to a lack of knowledge. The main objective of this study is to investigate seasonal activities of main digestive enzymes (protease, lipase, and amylase) for nutritional requirements. In this sense, sea cucumbers were stocked in the glass aquarium and sediment was 10 cm. It was replaced monthly and enriched (1% of the living individual weight) by dried Sargassum sp. Total protease and amylase enzymes have shown higher activity compared to lipase. All three enzyme activities were maximum in the summer and minimum in the winter. In summer, the highest measured total protease, amylase, and lipase activity values were 6.45 ± 0.66, 6.77 ± 0.72, and 2.78 ± 0.32 U/mg per protein, respectively. In winter, the lowest total protease, amylase, and lipase activity values were measured as 2.03 ± 0.16, 1.14 ± 0.14, and 0.12 ± 0.01 U/mg per protein, respectively. As a conclusion of the study, seasonal expression of the main digestive enzymes was strictly dependent on water temperatures and food abundance and also it was ideal to feed this species with food containing high protein and carbohydrate under appropriate temperatures for commercial culture.

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Section: Discussionmentioning

confidence: 99%

Seasonal variations of digestive enzymes in sea cucumbers (Holothuria tubulosa, G. 1788) under culture conditions

2019

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“…A rearing temperature of 30°C (within a range of 15–35°C) gave the best response in terms of harvesting weight, weight gain, feed ingestion rate and protease enzyme activity in larval P. leopardus , and this is considered the optimal rearing temperature for this species (Sun et al . ).…”

Section: Assessment Of the Sustainability Of Grouper Aquaculturementioning

confidence: 97%

A review of grouper (Family Serranidae: Subfamily Epinephelinae) aquaculture from a sustainability science perspective

Rimmer

Glamuzina

2017

Reviews in Aquaculture

147

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Aquaculture of groupers is carried out in tropical and subtropical areas throughout the world, but most production is from Asia, with three countries responsible for an estimated 92% of global production: China (65% of total production), Taiwan Province of China (17%) and Indonesia (11%). We calculate that there are at least 47 grouper species plus 15 grouper hybrids that have been trialled or are currently aquacultured. While grouper aquaculture has undoubtedly provided positive social and economic benefits to coastal communities in Asia, practices associated with grouper aquaculture have also led to widespread concerns regarding its environmental impacts. This paper reviews environmental, economic and social impacts of grouper aquaculture within a sustainability science framework. An update, building on early technical reviews of grouper aquaculture, was used to identify the main environmental, economic and social impacts. The main environmental impacts identified were as follows: seedstock sources, particularly the use of wild‐caught postlarval or juvenile fish as seedstock; the use of ‘trash’ fish as the major feed source; and water quality and substrate impacts of sea cage aquaculture. Significant economic and social impacts arising from grouper aquaculture include employment and income generation, but the economic impacts of disease outbreaks are significant, reducing fish survival to harvest size to around 50–70%. Current approaches to ameliorate negative impacts include the following: development and implementation of better management practices (BMPs) at national level, and the development of a global ecolabel certification scheme by the Aquaculture Stewardship Council. Both these approaches have significant constraints, particularly when applied to small‐scale farmers who produce the bulk of farmed grouper. We conclude that there is a need for improved higher level coordination between the major producer countries to address identified sustainability constraints to grouper aquaculture.

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“…Among coral groupers, the leopard coral grouper ( Plectropomus leopardus ) is one of the favourite fish species in China, and in many other countries, because of its high nutritional value (Sun et al, ). Plectropomus leopardus has been overexploited due to its high demand and market price.…”

Section: Introductionmentioning

confidence: 99%

“…Assessment of apparent digestibility coefficient (ADC) of feed is an essential prerequisite for precisely determining the nutrient requirements of an organism, and for the development of nutritionally adequate diets at minimal cost (Irvin & Williams, ; Xia et al, ). However, the information on the effect of dietary protein level on ADC of feed for P. leopardus is limited (Sun et al, ).…”

Section: Introductionmentioning

confidence: 99%

Influence of dietary protein level on growth performance, digestibility and activity of immunity‐related enzymes of leopard coral grouper,Plectropomus leopardus(Lacépède, 1802)

Shuping

Sun

et al. 2019

Aquacult Nutr

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An 8‐week feeding trial was conducted to assess the interaction between dietary protein levels and fish growth, digestibility and activity of immunity‐related enzymes of Plectropomus leopardus. Five diets with different protein levels (400 g/kg, 450 g/kg, 500 g/kg, 550 g/kg and 600 g/kg protein) were designed. P. leopardus fed with 500 g/kg, 550 g/kg and 600 g/kg dietary protein, showed higher weight gain rates than fish fed 400 g/kg and 450 g/kg dietary protein. Ingestion rate in fish fed with 500 g/kg dietary protein was significantly higher than those with other diets. P. leopardus fed with 500 g/kg, 550 g/kg and 600 g/kg dietary protein, showed that feed coefficients were significantly lower than those fed with 400 g/kg and 450 g/kg dietary protein. Net protein utilization was significantly lower in fish fed with 400 g/kg diet than those with other diets. Fish fed with 400 g/kg and 450 g/kg dietary protein had an apparent feed digestibility coefficient for dry matter that was significantly lower than that with other diets. Protease activity was highest in fish fed on 500 g/kg dietary protein. Fish fed with 500 g/kg dietary protein, had the highest superoxide dismutase activity. Fish fed with 600 g/kg dietary protein, had the highest alkaline phosphatase activity. Thus, a diet containing 500 g/kg protein is recommended for P. leopardus aquaculture.

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Effects of water temperature on survival, growth, digestive enzyme activities, and body composition of the leopard coral grouper Plectropomus leopardus

Cited by 34 publications

References 20 publications

Seasonal variations of digestive enzymes in sea cucumbers (Holothuria tubulosa, G. 1788) under culture conditions

Seasonal variations of digestive enzymes in sea cucumbers (Holothuria tubulosa, G. 1788) under culture conditions

A review of grouper (Family Serranidae: Subfamily Epinephelinae) aquaculture from a sustainability science perspective

Influence of dietary protein level on growth performance, digestibility and activity of immunity‐related enzymes of leopard coral grouper,Plectropomus leopardus(Lacépède, 1802)

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