Effect of feeding frequency as a rearing system on biological performance, survival, body chemical composition and economic efficiency of Asian seabass Lates calcarifer (Bloch, 1790) reared under controlled environmental conditions
A 70-day rearing trial was done to determine the optimal frequency of feeding on growth performance (GP), feed conversion rate (FCR), cannibalism, survival rate (SR), body chemical composition and economic efficiency of the Asian sea bass. This study tested four different treatments of feeding frequ...
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oai:doaj.org-article:71a436f04ac3449db60296c2caf4ae7e2021-11-20T04:56:57ZEffect of feeding frequency as a rearing system on biological performance, survival, body chemical composition and economic efficiency of Asian seabass Lates calcarifer (Bloch, 1790) reared under controlled environmental conditions1319-562X10.1016/j.sjbs.2021.08.031https://doaj.org/article/71a436f04ac3449db60296c2caf4ae7e2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1319562X21007166https://doaj.org/toc/1319-562XA 70-day rearing trial was done to determine the optimal frequency of feeding on growth performance (GP), feed conversion rate (FCR), cannibalism, survival rate (SR), body chemical composition and economic efficiency of the Asian sea bass. This study tested four different treatments of feeding frequencies (FF), once (T1), twice (T2), three times (T3), and four times (T4) per day. An average initial weight of Asian sea bass fry was 0.2 g (SD = ±0.12) were stocked 10 individuals per m3 (9.14 m × 1.82 m × 1.22 m, L × W × H; water depth 0.61 m) with two replicates per treatment (4 × 2 = 8). Fry were fed a mixture of larval commercial feed and shrimp with a pellet diet containing (46% CP). Initially, the feeding rate of 8% biomass per day was further adjusted according to fish biomass on a weekly basis. Results showed that, the FF significantly affected (p < 0.05) on growth indictors and survival rate (SR). Specifically fry fed three times a day (T3) had the best FBW, FL, SGR, ADWG and FCR followed by T4 and T2 while fry fed one time a day was the lowest in these parameters. Also, VSI, HSI and CF (k) significantly differed among the treatments. The fish whole body content of protein, moisture and ash did not significantly (p < 0.05) be affected by feeding frequency, but lipid content differed and both T3, T4 were the highest. It could be concluded that, increasing FF up to three times a day had a positive effect on weight gain, survival rate and feed utilization of Lates calcarifer. The second degree polynomial regression indicates that fed three times a day is optimum for best growth performance and survival for Asian sea bass.Habib Ul HassanQadeer Mohammad AliWali KhanZubia MasoodM.F. Aid Abdel-AzizMuhammad Ishaq Ali ShahKarim GabolJunaid WattooAnser Mahmood ChattaMustafa KamalTalha ZulfiqarMd. Yeamin HossainElsevierarticleLates calcariferFeeding frequencyGrowth performanceSurvival rateEnvironmental controlBiology (General)QH301-705.5ENSaudi Journal of Biological Sciences, Vol 28, Iss 12, Pp 7360-7366 (2021) |
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Lates calcarifer Feeding frequency Growth performance Survival rate Environmental control Biology (General) QH301-705.5 |
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Lates calcarifer Feeding frequency Growth performance Survival rate Environmental control Biology (General) QH301-705.5 Habib Ul Hassan Qadeer Mohammad Ali Wali Khan Zubia Masood M.F. Aid Abdel-Aziz Muhammad Ishaq Ali Shah Karim Gabol Junaid Wattoo Anser Mahmood Chatta Mustafa Kamal Talha Zulfiqar Md. Yeamin Hossain Effect of feeding frequency as a rearing system on biological performance, survival, body chemical composition and economic efficiency of Asian seabass Lates calcarifer (Bloch, 1790) reared under controlled environmental conditions |
description |
A 70-day rearing trial was done to determine the optimal frequency of feeding on growth performance (GP), feed conversion rate (FCR), cannibalism, survival rate (SR), body chemical composition and economic efficiency of the Asian sea bass. This study tested four different treatments of feeding frequencies (FF), once (T1), twice (T2), three times (T3), and four times (T4) per day. An average initial weight of Asian sea bass fry was 0.2 g (SD = ±0.12) were stocked 10 individuals per m3 (9.14 m × 1.82 m × 1.22 m, L × W × H; water depth 0.61 m) with two replicates per treatment (4 × 2 = 8). Fry were fed a mixture of larval commercial feed and shrimp with a pellet diet containing (46% CP). Initially, the feeding rate of 8% biomass per day was further adjusted according to fish biomass on a weekly basis. Results showed that, the FF significantly affected (p < 0.05) on growth indictors and survival rate (SR). Specifically fry fed three times a day (T3) had the best FBW, FL, SGR, ADWG and FCR followed by T4 and T2 while fry fed one time a day was the lowest in these parameters. Also, VSI, HSI and CF (k) significantly differed among the treatments. The fish whole body content of protein, moisture and ash did not significantly (p < 0.05) be affected by feeding frequency, but lipid content differed and both T3, T4 were the highest. It could be concluded that, increasing FF up to three times a day had a positive effect on weight gain, survival rate and feed utilization of Lates calcarifer. The second degree polynomial regression indicates that fed three times a day is optimum for best growth performance and survival for Asian sea bass. |
format |
article |
author |
Habib Ul Hassan Qadeer Mohammad Ali Wali Khan Zubia Masood M.F. Aid Abdel-Aziz Muhammad Ishaq Ali Shah Karim Gabol Junaid Wattoo Anser Mahmood Chatta Mustafa Kamal Talha Zulfiqar Md. Yeamin Hossain |
author_facet |
Habib Ul Hassan Qadeer Mohammad Ali Wali Khan Zubia Masood M.F. Aid Abdel-Aziz Muhammad Ishaq Ali Shah Karim Gabol Junaid Wattoo Anser Mahmood Chatta Mustafa Kamal Talha Zulfiqar Md. Yeamin Hossain |
author_sort |
Habib Ul Hassan |
title |
Effect of feeding frequency as a rearing system on biological performance, survival, body chemical composition and economic efficiency of Asian seabass Lates calcarifer (Bloch, 1790) reared under controlled environmental conditions |
title_short |
Effect of feeding frequency as a rearing system on biological performance, survival, body chemical composition and economic efficiency of Asian seabass Lates calcarifer (Bloch, 1790) reared under controlled environmental conditions |
title_full |
Effect of feeding frequency as a rearing system on biological performance, survival, body chemical composition and economic efficiency of Asian seabass Lates calcarifer (Bloch, 1790) reared under controlled environmental conditions |
title_fullStr |
Effect of feeding frequency as a rearing system on biological performance, survival, body chemical composition and economic efficiency of Asian seabass Lates calcarifer (Bloch, 1790) reared under controlled environmental conditions |
title_full_unstemmed |
Effect of feeding frequency as a rearing system on biological performance, survival, body chemical composition and economic efficiency of Asian seabass Lates calcarifer (Bloch, 1790) reared under controlled environmental conditions |
title_sort |
effect of feeding frequency as a rearing system on biological performance, survival, body chemical composition and economic efficiency of asian seabass lates calcarifer (bloch, 1790) reared under controlled environmental conditions |
publisher |
Elsevier |
publishDate |
2021 |
url |
https://doaj.org/article/71a436f04ac3449db60296c2caf4ae7e |
work_keys_str_mv |
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