Quantifying the Welfare Impact of Air Asphyxia in Rainbow Trout Slaughter for Policy and Practice

Quantifying the welfare impact of air asphyxia in rainbow trout slaughter for policy and practice

The effective improvement of animal welfare requires quantitative methods to compare diverse impacts across practices and policies on a common, relatable scale. The Welfare Footprint Framework (WFF) fulfills this need by providing a standardized welfare impact measure: cumulative time in affective states of varying intensities. To this end, WFF estimates rely on documented syntheses of existing research, including behavioral, neurophysiological …

Scientists prove fish suffer "intense pain" for 10 minutes after catch

Rainbow trout fish suffer around 10 minutes of intense pain when killed by air. Electric stunning could cut this significantly.

Rainbow Trout Feel Pain and Suffer for Minutes After Being Caught, Study Finds

In a new study, scientists have quantified the amount of pain and suffering fish, specifically rainbow trout (Oncorhynchus mykiss), feel when they are caught and left in the open air prior to slaughter. According to the study, published in the journal Scientific Reports, the fish experience around 10 minutes of moderate to intense pain during air asphyxia. After being caught by fishing hooks or nets, fish are pulled from their aquatic habitat. F…