Please use this identifier to cite or link to this item:
Title: Effects of Colored Light on Growth and Nutritional Composition of Tilapia, and Biofloc as a Food Source
Authors: Lopez Betancur, Daniela
Moreno, Ivan
Guerrero Méndez, Carlos
Gómez Meléndez, Domingo
Macias P., Manuel de J.
Olvera Olvera, Carlos Alberto
Issue Date: 3-Jan-2020
Publisher: Molecular Diversity Preservation International and Multidisciplinary Digital Publishing
Abstract: Light stimulation and biofloc technology can be combined to improve the efficiency and sustainability of tilapia production. A 73-day pilot experiment was conducted to investigate the effect of colored light on growth rates and nutritional composition of the Nile tilapia fingerlings (Oreochromis niloticus) in biofloc systems. The effect of colored light on the nutritional composition of bioflocs as a food source for fish was measured. Three groups were illuminated in addition to natural sunlight with colored light using RGB light emitting diodes (LEDs) with peak wavelengths ( ) of 627.27 nm for red (R), 513.33 nm for green (G), and 451.67 nm for blue (B) light. LED light intensity was constant (0.832 mW/cm2), and had an 18-h photoperiod of light per day throughout the study. The control group was illuminated only with natural sunlight (natural). Tilapia had an average initial weight of 0.242 g. There was a significant effect of colored light on tilapia growth and composition. The R group showed the best growth rate, highest survival, and highest lipid content. The B group showed homogeneous growth with the lowest growth rate and lipid content, but the highest protein level. On the other hand, the biofloc composition was influenced by the green light in the highest content of lipids, protein, and nitrogen-free extract.
ISSN: 2076-3417
Other Identifiers: info:eu-repo/semantics/publishedVersion
Appears in Collections:*Documentos Académicos*-- M. en Ciencias de la Ing.

Files in This Item:
File Description SizeFormat 
2020 Lopez-betancur.pdfEffects of Colored Light on Growth and Nutritional Composition of Tilapia, and Biofloc as a Food Source2,09 MBAdobe PDFView/Open

This item is licensed under a Creative Commons License Creative Commons