Adding alfalfa concentrate containing natural carotenoids and pigments to the finishing diets of shrimp can enhance coloration of shrimp after cooking.
The black spots of melanosis quickly arise in harvested shrimp from enzymatic reactions in shrimp tissue or external stressors.
EU markets have special requirements for head-on shrimp. Organoleptic criteria are evaluated, including firmness of shell and head, malformations and color.
Shrimp farming in New Caledonia has an important economic impact, through exports and by providing jobs in rural areas.