A group of researchers from the Technological Institute of Tuxtepec (Ittux), in collaboration with colleagues from other scientific bodies, has developed aquaculture feed from bean residue in an attempt to reduce rainbow trout (Oncorhynchus mykiss) production costs.

The objective of the research, which involved researchers from the University of Hermosillo; Juárez University of Durango State and that of Nuevo Mexico as well as scientists from Durango Technological Institute, is to use the raw material in the region to generate low-cost feed that does not affect the quality of the trout.

Bean chaff (broken or chipped) represents a loss of 5 per cent of total annual production, so the decision has been taken to use this waste for the production of aquaculture feed for trout, explains Dr. Jesus Rodriguez Miranda, leader of this research, according to Conacyt Informative Agency.

The study was conducted in the state of Durango, a region ranking second in bean national production, considering information from the Secretariat of Agriculture, Livestock, Rural Development, Fisheries and Food (SAGARPA).

Farmed rainbow trout is usually fed with fishmeal but the high cost of this product represents 40 per cent of total production costs.

Source: Panorama Acuicola // Original Article