Multiexport Foods has ruled out an algal bloom outbreak as the cause for the death of 4,125 salmon at its Apiao farm, situated in the Quinchao commune in Chiloe, southern Chile.

Instead the company pointed the finger of blame at an "oceanographic event of low oxygen concentration".

An earlier report by BioBioChile said an algal bloom was the suspected cause.

"The incident meant the loss of 4,125 fish (which represents 0.0041% of the total stocked in the facility), equivalent to 24.7