COMPARATIVE STUDY OF DIFFERENT PEARL NUCLEI IMPLANTATION ON THE FRESH WATER MUSSELS IN DISTRICT BALESHWAR, ODISHA

Fresh water pearl culture is growing as a source of employment and income in many Distict, Baleshwar, Odisha., I have iniated fresh water pearl culture projects in recent years. In India the institute of fresh water aquaculture is carrying out research on identification of suitable local pearl mussel species, definition appropriate surgical implantation procedure, developing post operative care procedure and captive pond culture of mussels. The Table 5.1 shows that the water parameters like temperature (30.2), oxygen(5.9), PH(7.4), alkalinity (162)and calcium (51) in rearing period have values in 8 weeks. Table 5.2 Shows The Lamellidens marginalis species observe the average length 8.0 mm, No. of mussels 55, survivability 100, % of pearl bearing mussel 92, Maximum no. of pearl 10 and Avarage no. of pearl observed 6. Table 5.3 shows the total number of nucleus collected for culture 11 which have designer, oval, round and half round shape (each no. of nucleus 10) by dental and zeronite powders and shell powder rounded which have no. of 11 nucleus.