Shellfish Breeding and Hatchery Management (2+1)

15.1.1. Factors and yield in shrimp (P. monodon) seed production

15.1.1 Shrimp (P. monodon) seed production

Performance of Penaeus monodon for hatchery seed production

Weight range of mother shrimp - 70-150g

Average weight for best breeding - 120g

Average fecundity of P. monodon - 8-10 lakhs per female shrimp of 100g

Hatchability _________________ - 95 –100% (sometimes fractional)

Breeding programme:

Breeder stocking density : 1per 2 m²

Breeder type :Impregnated in wild waters (females)

(tobe collected for every breeding)

Hatching time : Early morning hours – induced by EDTA

Total number of larval stage : 12 (Twelve stages)

:Nauplii 1 – 6

Proto Zoea 1 -3

Mysis 1 – 3

Feed to be given :First feeding Micro algae – Skeletonema or

Tetraselmis

After PZ 3 – Artemia and Spirulina

Duration of larval rearing : 13 – 15 days (depending onwater temperature)

Average survival of larvae : 20 %

Average yield per cycle :1.0 to 2.5 lakhs per cycle

(For a breeder of 100g)