Fish Welfare for Slaughtering for Fish Quality ( Fish welfare-suffering…
Fish Welfare for Slaughtering for Fish Quality
What is fish welfare and slaugther?
animals are killed for food.
To ensure animals have a good quality of life life and are not treated in ways that cause suffering.
Good welfare means an animal is “fit and happy”.
Why fish welfare is important in slaughtering?
Fish need adequate welfare in culture even more than when they are in the wild.
This is because they are held in captivity against their will.
The welfare of farmed fish should start from production to consumption
What happened when a fish is slaughtered or harvested badly?
rapid on set of rigor mortis
The quality of meat become lower.
Give significant effect on profitability
What is the relationship between fish quality and fish welfare?
good welfare means good production.
o To avoid severe stress conditions to the animal.
o Influence the expression of quality.
What important rule of slaughter to improve fish walfare?
To maintain the best original quality, fish would be stunned until death and killed without any avoidable stress.
induce rapid loss of consciousness and death in fish
create minimal amount of pain and distress
Fish welfare-suffering indicators
Brain function indicator
Increase oxygen uptake
Increase palsma glucose (plasma lactate) -
easiest method to detect
Capability to maintain equilibrium
(e.g. : turn upside down, movement of eyes, reaction to the needle puncture on head or tail)
(rate of fish freshness)
Muscular Ph, ATP and its catabolites
The common slaughter methods?
Some fish killed and processed individually but some killed and processed collectively.
it depend on species, desired product quality, and market demand.
blunt force trauma