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Abstract
This research was carried out for five months, in order to find an alternative for the rural aquaculture producer with little access to water resources, to develop tilapia breeding. A simple study was designed applying daily Biofloc, which consisted of efficient microorganisms (ME) based on manipulated bacterial flocs: Bacillus subtilis, Bacillus spp, Bacillus megaterium, Bacillus amyloliquefaciens, Lactobacillus and yeasts. Physical-chemical controls of the water of a tub were applied, with two thousand fry of tilapia, grown in the study cycle. According to the results obtained, we can point out that the physical variables remained constant (pH, temperature and transparency, however, in some moments they had an unwanted turbidity). Regarding the chemical parameters, the oxygen remained acceptable, the ammonia, nitrite and nitrates were determined not so acceptable on average by the constant variations, therefore, other deeper analyzes regarding the stability of the MEs should be developed, as a means of cleaning and conditioning the water. In addition to considering whether there is a contribution by the biofloc as a means of nutritional improvement of fish, promoting the formation of phytoplankton that are other natural means of the ecosystem for feeding these organisms, without affecting the availability of oxygen.
References
Avnimelech, Y. (2015). Biolfocs Tehcnology- A Practical Guide Book, 3rd Edition. The World Aquaculture Society, Baton Rouge, Louisiana. United States.
Enunciado de exposición de japonés sobre los Microorganismos eficientes. (2010). Recuperado de: https://www.tunuevainformacion.com/salud-integral/1069-el-dr-teruo-higa-y-el-milagro-de-los-microorganismos-eficientes-que-regeneran-nuestra-salud.html
FAO. (2019). Papel de la FAO en la acuicultura. Recuperado de: http://www.fao.org/aquaculture/es/
Ibáñez, J. (2021). Microorganismos Eficientes o Efectivos (EM) y Rehabilitación de Suelos | Un Universo invisible bajo nuestros pies. Retrieved 17 August 2021, from https://www.madrimasd.org/blogs/universo/2011/03/02/137556
Landino-Orjuela, G. y Rodríguez-Pulido, J.A. (2009). Efecto de Lactobacillus casei, Saccharomyces Rhodopseudomona palustris (microorganismos eficientes em) y melaza en la ganancia de peso de tilapias (Oreochromis sp) en condiciones de laboratorio. Recuperado de: https://www.researchgate.net/publication/38105532_Efecto_de_Lactobacillus_casei_Saccharomyces_Rhodopseudomona_palustris_microorganismos_eficientes_em_y_melaza_en_la_ganancia_de_peso_de_tilapias_Oreochromis_sp_en_condiciones_de_laboratorio.
