Apparent digestibility coefficients of the extruded pellet diets containing various fish meals for olive flounder, Paralichthys olivaceus

Rahman, Mostafizur; Han, Hyon‐Sob; Kim, Kang Woong; Kim, Kyoung Duck; Lee, Bong Joo; Lee, Sang Min

doi:10.1186/s41240-016-0027-7

Cited by 20 publications

(11 citation statements)

References 51 publications

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“…The lower digestibility values of dry matter and ash were observed in D12 with P/E ratio 100.00 mg/kcal while lower digestibility of crude protein, lipid and gross energy was noticed in D3 (80.00 mg/kcal), D10 (125.00 mg/kcal) and D7 (113.67 mg/kcal), respectively. In the current study, the digestibility values of dry matter are agreed with the results of Rahman et al (2016). The mean values of digestibility of crude protein, lipid, gross energy was significantly (p < 0.05) improved by the (P/E) ratio in all diets while dry matter digestibility was nonsignificantly (p > 0.05) affected.…”

Section: Discussionsupporting

confidence: 88%

Application of Non-Equilibrium SPMs to Access Overexploitation Risk Faced by Scomberomorus sinensis in Shandong, China

Mohsin¹,

Hengbin²,

Zhang³

2021

PJZ

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This study investigated the effects of dietary protein to energy (P/E) ratios on the nutrients and minerals digestibility of Labeo rohita fingerlings. Twelve experiment diets containing four protein levels (24, 26, 28, and 30 %) at three dietary energy levels (2400, 2700, and 3000 kcal/kg) with P/E ratios from 80.00 to 125.00 mg / kcal were evaluated. Each diet was randomly assigned to triplicate groups of seventeen fish averaging 6.5±0.6 g (mean±SD) for 10 wk. The chromic oxide in the diets was added as an additional inert marker to determine the digestibility of nutrients. The results from present study were demonstrated that the dietary P/E ratio significantly affects digestibility of protein, lipid and gross energy. In addition, the interactions of protein and energy significantly (p < 0.05) affected the digestibility of crude proteins, lipids, gross energy however, no significant (p > 0.05) effect was observed in digestibility of dry matter and ash. The increasing dietary P / E ratio significantly increased the digestibility of Na, Ca, P, Cu, Mn, Zn, and Fe. The diet with P / E ratio of 86.67 mg / kcal showed higher digestibility of dry matter (69.38±1.06), crude protein (88.18±1.59), lipid (93.43±0.22) and gross energy (86.50±0.57) while lower digestibility was observed in D12 (dietary protein 30% and dietary energy 3000 kcal/kg) with P/E ratio 100.00 mg / kcal. In conclusion, P/E ratio of 86.67 mg digestible protein / kcal digestible energy shows the maximum digestibility of nutrients and minerals in Labeo rohita fingerlings.

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Section: Discussionsupporting

confidence: 88%

Application of Non-Equilibrium SPMs to Access Overexploitation Risk Faced by Scomberomorus sinensis in Shandong, China

Mohsin¹,

Hengbin²,

Zhang³

2021

PJZ

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“…Each sample was then subjected to proxim are analysis using the methods of the Association of Official Analytical Chemists [16] in order to determine its composition in respect of moisture, ash, lipids, crude protein, crude fibre and Nitrogen Free Extracts (NFE). Proximate composition was calculated by using the following formula respectively: For the determination of digestibility, the method of [17] was adopted.…”

Section: Data Collection and Analysismentioning

confidence: 99%

Growth Performance of the African Catfish, Clarias gariepinus (Burchell), Fed Varying Inclusion Levels of Castor Seed (Ricinus communis L.)

Eo¹,

Oa²,

Jk³

et al. 2019

Fish Aquac J

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Research into the utilization of unconventional feedstuffs are gaining priority today due to the extent at which protein feed ingredients are more expensive than the other feedstuffs [4,5]. This effort by the fish nutritionists had been yielding encouraging result in ameliorating the aforementioned challenge being faced by the fish farmers and consumers across the globe [6]. Nonetheless, the satisfaction limit has not been attained; hence further exploration of the environment by the fish nutritionists is necessary. The castor oil plant, R. communis belongs to Euphorbiaceae family and is an annual and perennial plant found in all the tropical and semi-tropical regions of the world such as Southern Mediterranean Basin, Eastern Africa and India. It is a fast-growing, suckering perennial shrub which can reach the size of a small tree, around 12 metres or 39 feet [7,8]. Castor oil seeds (R. communis L.) have crude protein content that is above 20% [7,9,10]. Nsa et al. [11] reported 30.82% for crude protein, 11.42% crude fibre, 20.72% ether extract, 5.54% ash and 31.16% nitrogen free extract. Ishiwu et al. [12] also reported crude protein 23.00%, crude fibre 6.85%, carbohydrate 27.50%, fat 22.67%, moisture 17% and ash 2.98%. The seeds are available during the fruiting season all over the places in Nigeria but the seeds are mostly wasted and investigation on its inclusion in fish diet is scanty. These factors qualify it to serve as protein source in fish feeds. However, a major limitation of the seeds in fish diets is the presence of ricin, which is a toxic antinutritional factor. C. gariepinus is found nearly in all fresh water bodies in Nigeria and other tropical countries across the globe; it is hardy, disease-resistant and a good converter of feeds [13,14], hence its choice for this investigation.

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“…Paralichthys olivaceus, also known as the olive flounder, is a commercially remarkable fish that is extensively farmed in Asia. ADCs of different protein sources for olive flounder have already been investigated in recent studies [20][21][22][23][24]. However, there is no accessible information on the digestibility of rapeseed products for this species.…”

Section: Introductionmentioning

confidence: 99%

Dynamical Hybrid System for Optimizing and Controlling Efficacy of Plant‐Based Protein in Aquafeeds

Dossou

Dawood

Zaineldin³

et al. 2021

Complexity

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In this paper, a mathematical model was used to evaluate a dynamical hybrid system for optimizing and controlling the efficacy of plant-based protein in aquafeeds. Fishmeal (FM), raw rapeseed meal (RM), and a fermented meal with yeast (RM-Yeast) and fungi (Aspergillus oryzae RM-Koji) were used as test ingredients for the determination of apparent digestibility coefficients (ADCs) of dry matter, crude protein, crude lipid, energy, and essential amino acids (EAA) for olive flounder (Paralichthys olivaceus, 7 ± 0.02 g) using diets containing 0.5% Cr2O3 as an inert indicator. Among all ingredients tested, FM had the maximum ADC of dry matter ( P < 0.05 ), protein ( P < 0.05 ), lipid ( P > 0.05 ), and energy ( P > 0.05 ). Fermented meals (RM-Yeast and RM-Koji) showed higher ADC ( P < 0.05 ) of crude protein compared with RM, while there was no significance in ADCs of crude lipid and energy among different forms of rapeseed meal. Besides, ADC of crude lipid for RM-Yeast and RM-Koji, on the one hand, and ADC of gross energy for RM-Yeast, on the other hand, were not varied from that for FM ( P > 0.05 ). Amino acid digestibility reflects protein digestibility in most cases. Interestingly, protease, lipase, and amylase activities were better expressed in RM-Koji, RM-Yeast, and FM over RM, respectively. The current results deliver important information on nutrients and energy bioavailability in raw and fermented RM, which can be implemented to accurately formulate applied feeds for olive flounder. Compared with other applicable systems, the complexity of the approach implemented has been considerably reduced.

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Apparent digestibility coefficients of the extruded pellet diets containing various fish meals for olive flounder, Paralichthys olivaceus

Cited by 20 publications

References 51 publications

Application of Non-Equilibrium SPMs to Access Overexploitation Risk Faced by Scomberomorus sinensis in Shandong, China

Application of Non-Equilibrium SPMs to Access Overexploitation Risk Faced by Scomberomorus sinensis in Shandong, China

Growth Performance of the African Catfish, Clarias gariepinus (Burchell), Fed Varying Inclusion Levels of Castor Seed (Ricinus communis L.)

Dynamical Hybrid System for Optimizing and Controlling Efficacy of Plant‐Based Protein in Aquafeeds

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