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Andrews Apraku
Shanghai Ocean University
Coconut oilFish oilNile tilapiaBiologyAquaculture
12Publications
2H-index
11Citations
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Publications 14
Newest
#2Jinliang Zhao (Shanghai Ocean University)H-Index: 5
Last. Grace Debra (University for Development Studies)
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Background Due to the continuous demand for fish coupled with decline in capture fisheries, there is the need to increase aquaculture production to meet the demand. Aquaculture is faced with high cost of feeding since fish oil and fish meal are expensive. In view of this, there are calls to explore alternatives that are cheap and reliable.
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#1Andrews Apraku (Shanghai Ocean University)H-Index: 2
#2Xuxiong Huang (Shanghai Ocean University)H-Index: 1
Last. Berchie Asiedu (University Of Energy And Natural Resources)H-Index: 4
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Abstract This study evaluated the efficacy of replacing dietary fish oil (FO) with vegetable oils (virgin coconut and corn oil) on enzyme activities (glycolytic, oxidative and lipid metabolites), mRNA expression of lipid metabolic genes and histomorphology of liver and intestine in O. niloticus. O. niloticus (6.07 ± 0.07 g) was fed six experimental diets where fish oil (FO) served as the control diet, and then was supplemented by dietary oils; virgin coconut oil (VCO) {3%FO + 3%VCO; 3FVCO}, and ...
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#1Andrews Apraku (Shanghai Ocean University)H-Index: 2
#2Xuxiong Huang (Shanghai Ocean University)H-Index: 1
Last. Christian Larbi Ayisi (University for Development Studies)
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#1Jingting Yao (Shanghai Ocean University)
#2Peng Chen (Shanghai Ocean University)
Last. Xueming Hua (Shanghai Ocean University)H-Index: 2
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Tannin, an antinutritional component of plant proteins was fed to grass carp (Ctenopharyngodon idellus, 8.18 ± 0.81g) for eight-week to investigate their tolerance levels. Semi-purified diets (T0, T1, T2 and T3) with varying levels of hydrolysable tannin (0, 0.75, 1.25 and 1.75% respectively) were used. No significant difference was obtained in weight gain, while feed conversion ratio of T0 was significantly lower than T2. Muscle protein content of T0 and T3 were significantly higher than T2, wh...
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#1Christian Larbi Ayisi (Shanghai Ocean University)H-Index: 4
#2Jinliang Zhao (Shanghai Ocean University)H-Index: 5
Last. Andrews Apraku (Shanghai Ocean University)H-Index: 2
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This study evaluated the effects of replacing fish oil (FO) with palm oil (PO) on enzyme activities and mRNA expression of lipid transport genes and signalling factors in juvenile Nile tilapia. Nile tilapia (9.34 ± 0.14 g) was fed five experimental diets with FO supplemented with PO at 0%, 25%, 50%, 75% and 100%. Liver was sampled from five fish per tank for analysis of fatty acids, enzyme activities and mRNA expression. Glucose 6‐phosphate dehydrogenase (G6PD) was highly expressed in groups fed...
1 CitationsSource
#1Christian Larbi Ayisi (Shanghai Ocean University)H-Index: 4
#2Andrews Apraku (Shanghai Ocean University)H-Index: 2
Last. Gyamfua Afriyie (University Of Energy And Natural Resources)H-Index: 1
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ABSTRACT Crab aquaculture has gained interest all over the world and is a delicacy in many places. Despite the recent progress made by crab aquaculture, diseases are of great concern in the crab industry. Until recently, the major tool for preventing and treating diseases in crab and other aquatic species was antibiotics; however, the use of antibiotics has its own problems calling for alternatives of which probiotics, prebiotics, and synbiotics have proven to be a suitable alternative. Treating...
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#1Richard Kindong (Shanghai Ocean University)H-Index: 1
#2Nagarajan Prithiviraj (Shanghai Ocean University)H-Index: 1
Last. Xiaojie Dai (Shanghai Ocean University)
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Abstract Information related to the chemical composition of fish species is very much necessary to ensure that they meet requirements of man’s diet. This study is focused on providing nutrient contents information of the wild east Asian native species Predatory carp ( Chanodichthys erythropterus ). The specimens were collected from Lake Dianshan, Shanghai-China. The body muscles of randomly selected fish species were dried at 105 °C in an oven and used for biochemical analysis. Protein, carbohyd...
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#1Andrews Apraku (Shanghai Ocean University)H-Index: 2
#2Liping Liu (Shanghai Ocean University)H-Index: 6
Last. Christian Larbi Ayisi (Shanghai Ocean University)H-Index: 4
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Abstract Five isolipidic experimental diets (32% crude protein) were formulated to contain 3% fish oil (FO) and virgin coconut oil (3VCO) as sole lipids or blends of FO + VCO in ratios of 75:25% (0.75VCO), 50:50% (1.5VCO) and 25:75% (2.25VCO). Triplicate groups of O. niloticus were fed one of five diets to apparent satiation, twice daily for 8 weeks. It was observed that fish fed diet 3VCO exhibited the best performance with respect to feed intake (492.1 g), final weight (214.60 g) and weight ga...
3 CitationsSource
#1Christian Larbi Ayisi (Shanghai Ocean University)H-Index: 4
#2Xueming Hua (Shanghai Ocean University)H-Index: 2
Last. Beatrice Amankwah Kyei (GDOU: Guangdong Ocean University)H-Index: 1
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Abstract Shrimp is a very important source of protein which is patronized by almost half of the world's population, and hence a very important specie in aquaculture. There is the need for increase in shrimp production worldwide to meet consumer demands. However, shrimp production is hampered by high cost of commercial feeds. Increase in prices of fish oil and fish meal has led to calls for their substitute. This calls for substitute has resulted in researchers studying the nutritional requiremen...
4 CitationsSource
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