Effect of tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae
We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One a...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Aung Naing Win [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Übergeordnetes Werk: |
Enthalten in: MODULATION OF HISTONE H3 LYSINE 9 TRIMETHYLATION REGULATES SYNAPTIC PLASTICITY IN HIPPOCAMPAL NEURONS - Tong, Liqi ELSEVIER, 2019, an international journal devoted to research on the exploration, improvement and management of all aquatic food resources, both floristic and faunistic, from freshwater, brackish and marine environment, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:524 ; year:2020 ; day:15 ; month:07 ; pages:0 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.aquaculture.2020.735283 |
|---|
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ELV050171968 |
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| 245 | 1 | 0 | |a Effect of tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae |
| 264 | 1 | |c 2020transfer abstract | |
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| 520 | |a We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. | ||
| 520 | |a We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. | ||
| 700 | 1 | |a Yamazaki, Wataru |4 oth | |
| 700 | 1 | |a Hasegawa, Takamasa |4 oth | |
| 700 | 1 | |a Higuchi, Kentaro |4 oth | |
| 700 | 1 | |a Takashi, Toshinori |4 oth | |
| 700 | 1 | |a Gen, Koichiro |4 oth | |
| 700 | 1 | |a Sumida, Tetsuya |4 oth | |
| 700 | 1 | |a Hagiwara, Atsushi |4 oth | |
| 700 | 1 | |a Sakakura, Yoshitaka |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Tong, Liqi ELSEVIER |t MODULATION OF HISTONE H3 LYSINE 9 TRIMETHYLATION REGULATES SYNAPTIC PLASTICITY IN HIPPOCAMPAL NEURONS |d 2019 |d an international journal devoted to research on the exploration, improvement and management of all aquatic food resources, both floristic and faunistic, from freshwater, brackish and marine environment |g Amsterdam [u.a.] |w (DE-627)ELV003008401 |
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10.1016/j.aquaculture.2020.735283 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001015.pica (DE-627)ELV050171968 (ELSEVIER)S0044-8486(19)33230-2 DE-627 ger DE-627 rakwb eng 610 VZ 44.68 bkl Aung Naing Win verfasserin aut Effect of tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. Yamazaki, Wataru oth Hasegawa, Takamasa oth Higuchi, Kentaro oth Takashi, Toshinori oth Gen, Koichiro oth Sumida, Tetsuya oth Hagiwara, Atsushi oth Sakakura, Yoshitaka oth Enthalten in Elsevier Science Tong, Liqi ELSEVIER MODULATION OF HISTONE H3 LYSINE 9 TRIMETHYLATION REGULATES SYNAPTIC PLASTICITY IN HIPPOCAMPAL NEURONS 2019 an international journal devoted to research on the exploration, improvement and management of all aquatic food resources, both floristic and faunistic, from freshwater, brackish and marine environment Amsterdam [u.a.] (DE-627)ELV003008401 volume:524 year:2020 day:15 month:07 pages:0 https://doi.org/10.1016/j.aquaculture.2020.735283 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 44.68 Gerontologie Geriatrie VZ AR 524 2020 15 0715 0 |
| spelling |
10.1016/j.aquaculture.2020.735283 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001015.pica (DE-627)ELV050171968 (ELSEVIER)S0044-8486(19)33230-2 DE-627 ger DE-627 rakwb eng 610 VZ 44.68 bkl Aung Naing Win verfasserin aut Effect of tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. Yamazaki, Wataru oth Hasegawa, Takamasa oth Higuchi, Kentaro oth Takashi, Toshinori oth Gen, Koichiro oth Sumida, Tetsuya oth Hagiwara, Atsushi oth Sakakura, Yoshitaka oth Enthalten in Elsevier Science Tong, Liqi ELSEVIER MODULATION OF HISTONE H3 LYSINE 9 TRIMETHYLATION REGULATES SYNAPTIC PLASTICITY IN HIPPOCAMPAL NEURONS 2019 an international journal devoted to research on the exploration, improvement and management of all aquatic food resources, both floristic and faunistic, from freshwater, brackish and marine environment Amsterdam [u.a.] (DE-627)ELV003008401 volume:524 year:2020 day:15 month:07 pages:0 https://doi.org/10.1016/j.aquaculture.2020.735283 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 44.68 Gerontologie Geriatrie VZ AR 524 2020 15 0715 0 |
| allfields_unstemmed |
10.1016/j.aquaculture.2020.735283 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001015.pica (DE-627)ELV050171968 (ELSEVIER)S0044-8486(19)33230-2 DE-627 ger DE-627 rakwb eng 610 VZ 44.68 bkl Aung Naing Win verfasserin aut Effect of tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. Yamazaki, Wataru oth Hasegawa, Takamasa oth Higuchi, Kentaro oth Takashi, Toshinori oth Gen, Koichiro oth Sumida, Tetsuya oth Hagiwara, Atsushi oth Sakakura, Yoshitaka oth Enthalten in Elsevier Science Tong, Liqi ELSEVIER MODULATION OF HISTONE H3 LYSINE 9 TRIMETHYLATION REGULATES SYNAPTIC PLASTICITY IN HIPPOCAMPAL NEURONS 2019 an international journal devoted to research on the exploration, improvement and management of all aquatic food resources, both floristic and faunistic, from freshwater, brackish and marine environment Amsterdam [u.a.] (DE-627)ELV003008401 volume:524 year:2020 day:15 month:07 pages:0 https://doi.org/10.1016/j.aquaculture.2020.735283 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 44.68 Gerontologie Geriatrie VZ AR 524 2020 15 0715 0 |
| allfieldsGer |
10.1016/j.aquaculture.2020.735283 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001015.pica (DE-627)ELV050171968 (ELSEVIER)S0044-8486(19)33230-2 DE-627 ger DE-627 rakwb eng 610 VZ 44.68 bkl Aung Naing Win verfasserin aut Effect of tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. Yamazaki, Wataru oth Hasegawa, Takamasa oth Higuchi, Kentaro oth Takashi, Toshinori oth Gen, Koichiro oth Sumida, Tetsuya oth Hagiwara, Atsushi oth Sakakura, Yoshitaka oth Enthalten in Elsevier Science Tong, Liqi ELSEVIER MODULATION OF HISTONE H3 LYSINE 9 TRIMETHYLATION REGULATES SYNAPTIC PLASTICITY IN HIPPOCAMPAL NEURONS 2019 an international journal devoted to research on the exploration, improvement and management of all aquatic food resources, both floristic and faunistic, from freshwater, brackish and marine environment Amsterdam [u.a.] (DE-627)ELV003008401 volume:524 year:2020 day:15 month:07 pages:0 https://doi.org/10.1016/j.aquaculture.2020.735283 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 44.68 Gerontologie Geriatrie VZ AR 524 2020 15 0715 0 |
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10.1016/j.aquaculture.2020.735283 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001015.pica (DE-627)ELV050171968 (ELSEVIER)S0044-8486(19)33230-2 DE-627 ger DE-627 rakwb eng 610 VZ 44.68 bkl Aung Naing Win verfasserin aut Effect of tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. Yamazaki, Wataru oth Hasegawa, Takamasa oth Higuchi, Kentaro oth Takashi, Toshinori oth Gen, Koichiro oth Sumida, Tetsuya oth Hagiwara, Atsushi oth Sakakura, Yoshitaka oth Enthalten in Elsevier Science Tong, Liqi ELSEVIER MODULATION OF HISTONE H3 LYSINE 9 TRIMETHYLATION REGULATES SYNAPTIC PLASTICITY IN HIPPOCAMPAL NEURONS 2019 an international journal devoted to research on the exploration, improvement and management of all aquatic food resources, both floristic and faunistic, from freshwater, brackish and marine environment Amsterdam [u.a.] (DE-627)ELV003008401 volume:524 year:2020 day:15 month:07 pages:0 https://doi.org/10.1016/j.aquaculture.2020.735283 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 44.68 Gerontologie Geriatrie VZ AR 524 2020 15 0715 0 |
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effect of tank shape on survival and growth of pacific bluefin tuna thunnus orientalis larvae |
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Effect of tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae |
| abstract |
We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. |
| abstractGer |
We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. |
| abstract_unstemmed |
We examined the effect of rearing tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae. Cylindrical (1.7 × 103 cm2 water surface area; 30 cm deep) and rectangular (1.8 × 103 cm2 water surface area; 28 cm deep) tanks (n = 3 each) were filled with 50 l of seawater. One air stone with a 100 ml/min aeration rate was set at the bottom center of each tank. Light intensity at the water surface was 2000 lx with a photoperiod of 24 L:0D. Larvae were introduced into each tank at a rate of 10 individuals/l at 2 days post-hatching (dph). Rotifers were fed at 10 individuals/ml and their distribution in tanks was measured. Survival of larvae in cylindrical tanks (CT; 52.7 ± 5.1%) at 8 dph was higher than that in rectangular tanks (RT; 0.8 ± 0.7%, p < .01). Meanwhile, larvae growth was not significantly different between tank shapes either in body length (CT: 4.23 ± 0.26 mm; RT: 4.09 ± 0.20 mm) or dry weights (CT: 95.1 ± 17.6 μg; RT: 67.7 ± 10.9 μg). The swimbladder inflation rate of larvae also did not differ significantly between tank shapes (CT: 16.5 ± 14.5%; RT: 56.9 ± 3.47%). Rotifer distribution was higher at tank bottom in both shapes (p < .05). Two-phase bubbly flow simulations in the tanks revealed that the low-flow area was larger in the RT. The low-flow area at tank bottom varied by tank shape, occurring at the edge of the tank wall on the bottom in the CT, and from the center of the tank (air stone) to the tank wall in the RT. These low-flow areas at tank bottom coincided with areas of higher rotifer distribution, which may be a cause of sinking syndrome in fish larvae. Our results indicate that small-scale (50-l) PBT larviculture experiments can be conducted using a CT with the present aeration system, and that an RT requires an improved aerator in place of the single air stone. |
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Effect of tank shape on survival and growth of Pacific bluefin tuna Thunnus orientalis larvae |
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https://doi.org/10.1016/j.aquaculture.2020.735283 |
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Yamazaki, Wataru Hasegawa, Takamasa Higuchi, Kentaro Takashi, Toshinori Gen, Koichiro Sumida, Tetsuya Hagiwara, Atsushi Sakakura, Yoshitaka |
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Yamazaki, Wataru Hasegawa, Takamasa Higuchi, Kentaro Takashi, Toshinori Gen, Koichiro Sumida, Tetsuya Hagiwara, Atsushi Sakakura, Yoshitaka |
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10.1016/j.aquaculture.2020.735283 |
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2024-07-06T16:48:26.754Z |
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