Management of the First Feeding of Dorada <i>Brycon sinuensis</i> with Two Species of Cladocerans
The management of the first feeding is a critical stage in the viability of the larvae and fingerling rearing. So far, the first feeding of the bryconids record the best results when fed with forage larvae; thus, the aim was to evaluate two species of cladocerans as live prey in the first feeding of...
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MDPI AG
2021-10-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/11/20/9379 |
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| author | César Jiménez-Velásquez Victor Atencio-Garcia Julia Eva Ayazo-Genes José Espinosa-Araujo Martha Prieto-Guevara |
| author_facet | César Jiménez-Velásquez Victor Atencio-Garcia Julia Eva Ayazo-Genes José Espinosa-Araujo Martha Prieto-Guevara |
| author_sort | César Jiménez-Velásquez |
| collection | DOAJ |
| description | The management of the first feeding is a critical stage in the viability of the larvae and fingerling rearing. So far, the first feeding of the bryconids record the best results when fed with forage larvae; thus, the aim was to evaluate two species of cladocerans as live prey in the first feeding of dorada <i>Brycon sinuensis</i> and to evaluate their effects on the control of cannibalism. Larvae (1.2 ± 0.15 mg and 5.9 ± 0.4 mm initial weight and total length) were fed <i>Moina minuta</i> (Mm), <i>Macrothrix elegans</i> (Me) or a mixture (50:50) of cladocerans (Mix) at a rate of 20 prey mL<sup>−1</sup>, once for 24 h. Another dorada larvae group were fed newly hatched larvae of <i>Piaractus brachypomus</i> (4.5 ± 0.9 mm) as forage larvae (F<sub>L</sub>) in a ratio of 2:1 (prey:predator). The larvae were stocked to 50 L<sup>−1</sup> in aquaria with 5 L of useful volume (12 per treatment). The growth, survival, stress resistance, cannibalism mortality, and the number of prey in the gut contents were analyzed. Dorada larvae fed F<sub>L</sub> showed higher growth, but those fed Mm showed the highest survival rate (76.1 ± 6.6%) and the lowest cannibalism mortality (16.8 ± 3.7%) (<i>p</i> < 0.05). The use of the cladocerans allowed high survival and stress resistance (95.3 ± 2.4%), and <i>M. minuta</i> proved to be a suitable prey for cannibalism control in the management of the first feeding of dorada larvae. |
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| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T06:45:40Z |
| publishDate | 2021-10-01 |
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| spelling | doaj.art-c877fb4c09434fb9a7814803aed1a0ec2023-11-22T17:17:36ZengMDPI AGApplied Sciences2076-34172021-10-011120937910.3390/app11209379Management of the First Feeding of Dorada <i>Brycon sinuensis</i> with Two Species of CladoceransCésar Jiménez-Velásquez0Victor Atencio-Garcia1Julia Eva Ayazo-Genes2José Espinosa-Araujo3Martha Prieto-Guevara4Fish Culture Research Institute CINPIC, University of Córdoba, Montería Cr 6 77-305, ColombiaFaculty of Veterinary Medicine and Animal Husbandry, Department of Aquaculture Sciences, Fish Culture Research Institute, University of Córdoba, Montería Cr 6 77-305, ColombiaFish Culture Research Institute CINPIC, University of Córdoba, Montería Cr 6 77-305, ColombiaFaculty of Veterinary Medicine and Animal Husbandry, Department of Aquaculture Sciences, Fish Culture Research Institute, University of Córdoba, Montería Cr 6 77-305, ColombiaFaculty of Veterinary Medicine and Animal Husbandry, Department of Aquaculture Sciences, Fish Culture Research Institute, University of Córdoba, Montería Cr 6 77-305, ColombiaThe management of the first feeding is a critical stage in the viability of the larvae and fingerling rearing. So far, the first feeding of the bryconids record the best results when fed with forage larvae; thus, the aim was to evaluate two species of cladocerans as live prey in the first feeding of dorada <i>Brycon sinuensis</i> and to evaluate their effects on the control of cannibalism. Larvae (1.2 ± 0.15 mg and 5.9 ± 0.4 mm initial weight and total length) were fed <i>Moina minuta</i> (Mm), <i>Macrothrix elegans</i> (Me) or a mixture (50:50) of cladocerans (Mix) at a rate of 20 prey mL<sup>−1</sup>, once for 24 h. Another dorada larvae group were fed newly hatched larvae of <i>Piaractus brachypomus</i> (4.5 ± 0.9 mm) as forage larvae (F<sub>L</sub>) in a ratio of 2:1 (prey:predator). The larvae were stocked to 50 L<sup>−1</sup> in aquaria with 5 L of useful volume (12 per treatment). The growth, survival, stress resistance, cannibalism mortality, and the number of prey in the gut contents were analyzed. Dorada larvae fed F<sub>L</sub> showed higher growth, but those fed Mm showed the highest survival rate (76.1 ± 6.6%) and the lowest cannibalism mortality (16.8 ± 3.7%) (<i>p</i> < 0.05). The use of the cladocerans allowed high survival and stress resistance (95.3 ± 2.4%), and <i>M. minuta</i> proved to be a suitable prey for cannibalism control in the management of the first feeding of dorada larvae.https://www.mdpi.com/2076-3417/11/20/9379cannibalismlive foodlarval feedingfish larvae |
| spellingShingle | César Jiménez-Velásquez Victor Atencio-Garcia Julia Eva Ayazo-Genes José Espinosa-Araujo Martha Prieto-Guevara Management of the First Feeding of Dorada <i>Brycon sinuensis</i> with Two Species of Cladocerans Applied Sciences cannibalism live food larval feeding fish larvae |
| title | Management of the First Feeding of Dorada <i>Brycon sinuensis</i> with Two Species of Cladocerans |
| title_full | Management of the First Feeding of Dorada <i>Brycon sinuensis</i> with Two Species of Cladocerans |
| title_fullStr | Management of the First Feeding of Dorada <i>Brycon sinuensis</i> with Two Species of Cladocerans |
| title_full_unstemmed | Management of the First Feeding of Dorada <i>Brycon sinuensis</i> with Two Species of Cladocerans |
| title_short | Management of the First Feeding of Dorada <i>Brycon sinuensis</i> with Two Species of Cladocerans |
| title_sort | management of the first feeding of dorada i brycon sinuensis i with two species of cladocerans |
| topic | cannibalism live food larval feeding fish larvae |
| url | https://www.mdpi.com/2076-3417/11/20/9379 |
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