Shellfish Breeding and Hatchery Management (2+1)

18.1.1 Feed ingredients for feed preparation

a) Fish meal

Fish meal should contain atleast 60% of crude protein and not more than 1% of sand. In case, commercial fish meal is not available, dried anchovies and silver bellies can be powdered and used in place of fish meal.

b) Meat of shrimp:

It is collected in fresh condition, washed and dried in electrical dryer at 70 ° c until the moisture content is reduced to less than 10%. Fresh meat of shrimp contains 40-45% crude protein, 5-7% of lipid & 20-23%

c) Prawn Head waste:

It is collected from prawn processing units and dried in a dryer at 70 ° c to reduce the moisture to less than 10%. Prawn head meal contains 20-35% crude protein of which 10-15% is due to chitin. The prawn head waste has 5-7% lipid rich in PUFA & pigments.

d) Squid meal:

Squid meal, prepared from whole squid is a good source of high quality (60-70%) rich in essential amino acid. It is also having lipid content of 13e-19% richin PUFA. Squid meal contains short chain polypeptides which are found to be good feed and growth promoter for prawn.

e) Soybean cake

It has 50% of protein

f) Tapioca

g) Alfalfa

h) Lecithin

i) Vitamin Mixture

j) Minerd mixture BHA