Effect of Different Dietary Oils on Growth, Feed Conversion and Body Composition of Juvenile Black Fin Sea Bream, Acanthopagrus berda (Forsskal, 1775)

Rahim, Abdur; Abbas, Ghulam; Naeem, Muhammad; Ferrando, Sara; Gallus, Lorenzo; Hafeez-ur-Rehman, Muhammad; Ghaffar, Abdul; Mateen, Abdul

doi:10.17582/journal.pjz/2017.49.2.655.661

Cited by 2 publications

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“…The pacu cultured at LSD had more feed intake and accumulated more lipid and lower moisture content in the meat than that cultured at HSD (5.53% more lipids and 6.84% less moisture). The less moisture observed showed an inverse relationship with lipid content reported by Huang et al (2014), Montenegro et al (2020) and Rahim et al (2015). Similar low lipid accumulation, in response to feed intake, was reported in grass carp (Du et al, 2006), blunt snout bream (Qi et al, 2016), channel catfish (Refaey et al, 2018) and Nile tilapia (Abdel-Tawwab et al, 2014).…”

Section: Discussionsupporting

confidence: 79%

Effects of stocking density on productive performance, economic profit and muscle chemical composition of pacu ( Piaractus mesopotamicus H) cultured in floating cages

Montenegro

Cunzolo

Preussler

et al. 2022

Aquaculture Research

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The present 360‐day study aimed to evaluate the productive performance, economic profit and meat quality of pacu cultured in floating cages at different stocking densities. A total of 2880 juvenile pacu, initial weight 50 ± 0.9 g, were reared in eight floating cages of 18.375 m3. Two stoking densities were used: high stocking density (HSD; 26 fish/m3) and low stocking density (LSD; 13 fish/m3). On days 0, 90, 180, 270 and 360, 100 fish per group were used to determine the growth performance, productive indices and total economic profit. The total economic profit was calculated by indices that include the fish price, feed conversion ratio and diet cost, among others. On day 360, the chemical composition and fatty acid profile of the muscle tissues were determined. The LSD group had higher final biomass and weight gain than the HSD group (p = 0.0001 and p < 0.0001 respectively), which was probably associated with the higher protein efficiency ratio obtained in the LSD group (p < 0.05). Additionally, the economic profit from LSD on day 360 was 1.2 times higher than that from HSD (p < 0.0001). More protein and lipid contents were obtained from LSD (p = 0.0035 and p < 0.0001 respectively) while more moisture was obtained from the HSD (p < 0.0001) group. In addition, more eicosapentaenoic (EPA) (p = 0.0013), docosapentaenoic (DPA) (p = 0.0001) and docosahexaenoic (DHA) (p = 0.0003) fatty acids were obtained from LSD. We concluded that when pacu are cultured in floating cages, 13 fish/m3 density produce fish with more weight and better muscle chemical composition, improving the economic profit and the nutritional quality.

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Section: Discussionsupporting

confidence: 79%

Effects of stocking density on productive performance, economic profit and muscle chemical composition of pacu ( Piaractus mesopotamicus H) cultured in floating cages

Montenegro

Cunzolo

Preussler

et al. 2022

Aquaculture Research

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“…Meanwhile, mariculture in Pakistan is still in its experimental stages; currently, there is only minor shrimp production [30,31], and coastal finfish culture technology has not been successfully developed yet for commercial purposes, especially when compared to other relevant countries [32,33]. Only but a handful of cultureoriented studies have been done locally on marine fish, including the goldsilk sea bream, Acanthopagrus berda [34][35][36], and the mangrove red snapper, Lutjanus argentimaculatus [37][38][39], but none of these works included any form of suitability assessment of coastal brackish ponds. A few rudimentary analyses were only performed for inland ponds [40][41][42].…”

Section: Introductionmentioning

confidence: 99%

Assessment of Hydrobiological and Soil Characteristics of Non-Fertilized, Earthen Fish Ponds in Sindh (Pakistan), Supplied with Seawater from Tidal Creeks

Fatima

Abbas

Kasprzak

2022

Water

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In this study, the suitability of four earthen, seawater ponds located in the Thatta district of Sindh province (Pakistan) was evaluated for the purpose of semi-intensive mariculture, which remains to be a severely underdeveloped branch of the agricultural industry of this populous Asian country. Initial pond soil probes were promising, as they showed a high clay and silt content. Monthly water samples were obtained in the year 2019 (from January to December), which allowed for the monitoring of water parameters, as well as the identification and relative quantification of planktic populations. As a result, the monthly variations of basic water parameters were found within optimal ranges for planktic growth (water temperature, salinity, pH, transparency, and dissolved oxygen). Bacillariophyta was the largest phytoplanktic group, with the most dominant species being Sundstroemia setigera, followed by the cyanobacteria Oscillatoria limosa. Copepoda was the most numerous group of identified zooplankton, followed by tintinnids and foraminiferans. Total suspended solids (TSS) calculations indicated up to nine-fold month-to-month reductions of planktic biomass, observed in the form of diminishing Bacillariophyta (December) and Copepoda (June and December). In conclusion, the studied ponds appear to be suitable for semi-intensive mariculture activity due to the abundance of diverse planktic forms (mainly Copepoda—preferable natural food for commercially important fish species), which was achieved even without the use of fertilizers. However, significant drops of planktic biomass may still occur, which implies the need for regular water monitoring procedures, which would in turn allow fish producers to implement periodical adjustments to the administered feeding rates with artificial diets.

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Effect of Different Dietary Oils on Growth, Feed Conversion and Body Composition of Juvenile Black Fin Sea Bream, Acanthopagrus berda (Forsskal, 1775)

Cited by 2 publications

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Effects of stocking density on productive performance, economic profit and muscle chemical composition of pacu ( Piaractus mesopotamicus H) cultured in floating cages

Effects of stocking density on productive performance, economic profit and muscle chemical composition of pacu ( Piaractus mesopotamicus H) cultured in floating cages

Assessment of Hydrobiological and Soil Characteristics of Non-Fertilized, Earthen Fish Ponds in Sindh (Pakistan), Supplied with Seawater from Tidal Creeks

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