Photoperiod influence on the cultivation of Steindachneridion scriptum (Pisces, Pimelodidae) juvenile
This study aimed to evaluate the influence of photoperiod on juvenile suruvi (Steindachneridion scriptum) in six photoperiods: 24L-0D (L= Light; D= Dark), 18L-6D, 14L-10D, 10L-14D, 6L-18D and 0L-24D. Juveniles measuring 176.8 ± 13.2mm and weighing 60.2 ± 16.0g were distributed in eighteen 150-L aquariums, stocked with 8 juveniles per aquarium. At the end of the study, treatments 24L-0D (105.7 ± 5.8g and 845.9 ±46g) and 0L-24D (93.3 ± 4.9g and 746.4 ± 39.5g) were different (P<0.05) on weight and biomass. Survival (100 ± 0.0%) and length (212.5 ±2.5mm) were the same (P>0.05) in all the treatments. The results showed that suruvi (Steindachneridion scriptum) reached better weight and biomass in extended light periods.
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Instituto de Tecnologia do Paraná - Tecpar
2008
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oai:scielo:S1516-891320080003000162008-07-16Photoperiod influence on the cultivation of Steindachneridion scriptum (Pisces, Pimelodidae) juvenileZaniboni-Filho,EvoyReynalte-Tataje,DavidNuñer,Alex Pires de OliveiraMeurer,Samira Steindachneridion scriptum larviculture photoperiod growth This study aimed to evaluate the influence of photoperiod on juvenile suruvi (Steindachneridion scriptum) in six photoperiods: 24L-0D (L= Light; D= Dark), 18L-6D, 14L-10D, 10L-14D, 6L-18D and 0L-24D. Juveniles measuring 176.8 ± 13.2mm and weighing 60.2 ± 16.0g were distributed in eighteen 150-L aquariums, stocked with 8 juveniles per aquarium. At the end of the study, treatments 24L-0D (105.7 ± 5.8g and 845.9 ±46g) and 0L-24D (93.3 ± 4.9g and 746.4 ± 39.5g) were different (P<0.05) on weight and biomass. Survival (100 ± 0.0%) and length (212.5 ±2.5mm) were the same (P>0.05) in all the treatments. The results showed that suruvi (Steindachneridion scriptum) reached better weight and biomass in extended light periods.info:eu-repo/semantics/openAccessInstituto de Tecnologia do Paraná - TecparBrazilian Archives of Biology and Technology v.51 n.3 20082008-06-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000300016en10.1590/S1516-89132008000300016 |
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Zaniboni-Filho,Evoy Reynalte-Tataje,David Nuñer,Alex Pires de Oliveira Meurer,Samira |
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Zaniboni-Filho,Evoy Reynalte-Tataje,David Nuñer,Alex Pires de Oliveira Meurer,Samira Photoperiod influence on the cultivation of Steindachneridion scriptum (Pisces, Pimelodidae) juvenile |
| author_facet |
Zaniboni-Filho,Evoy Reynalte-Tataje,David Nuñer,Alex Pires de Oliveira Meurer,Samira |
| author_sort |
Zaniboni-Filho,Evoy |
| title |
Photoperiod influence on the cultivation of Steindachneridion scriptum (Pisces, Pimelodidae) juvenile |
| title_short |
Photoperiod influence on the cultivation of Steindachneridion scriptum (Pisces, Pimelodidae) juvenile |
| title_full |
Photoperiod influence on the cultivation of Steindachneridion scriptum (Pisces, Pimelodidae) juvenile |
| title_fullStr |
Photoperiod influence on the cultivation of Steindachneridion scriptum (Pisces, Pimelodidae) juvenile |
| title_full_unstemmed |
Photoperiod influence on the cultivation of Steindachneridion scriptum (Pisces, Pimelodidae) juvenile |
| title_sort |
photoperiod influence on the cultivation of steindachneridion scriptum (pisces, pimelodidae) juvenile |
| description |
This study aimed to evaluate the influence of photoperiod on juvenile suruvi (Steindachneridion scriptum) in six photoperiods: 24L-0D (L= Light; D= Dark), 18L-6D, 14L-10D, 10L-14D, 6L-18D and 0L-24D. Juveniles measuring 176.8 ± 13.2mm and weighing 60.2 ± 16.0g were distributed in eighteen 150-L aquariums, stocked with 8 juveniles per aquarium. At the end of the study, treatments 24L-0D (105.7 ± 5.8g and 845.9 ±46g) and 0L-24D (93.3 ± 4.9g and 746.4 ± 39.5g) were different (P<0.05) on weight and biomass. Survival (100 ± 0.0%) and length (212.5 ±2.5mm) were the same (P>0.05) in all the treatments. The results showed that suruvi (Steindachneridion scriptum) reached better weight and biomass in extended light periods. |
| publisher |
Instituto de Tecnologia do Paraná - Tecpar |
| publishDate |
2008 |
| url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000300016 |
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