VPP 322: Aquatic Animal Diseases, Health Care and Management (1+1)

HARVESTING OF FRY

Harvesting of fry

• The fry are harvested when they reach the fingerling stage with the size of about 10 cm (2-3 g) and transferred to the rearing ponds.

Economics of fry rearing

S. No.	Items	Amount (in Rupees)
I.	Expenditure
A.	Variable Cost
1.	Pond lease value	5,000
2.	Bleaching powder (10 ppm chloride)/other toxicants	2,500
3.	Manures and fertilizers	8,000
4.	Spawn / Fry (5 million @ Rs. 5,000/million)	25,000
5.	Supplementary feed (750 kg @ Rs. 10/kg)	7,500
6.	Labours for management and harvesting (100 man-days @ Rs. 130/man-day)	13,000
7.	Miscellaneous expenditure	5,000
	Sub-total	66,000
B.	Total Cost
1.	Variable cost	66,000
2.	Interest on variable cost (@ 15% yearly for one month)	2,500
	Grand Total	68,500
II.	Gross Income
	From sale of fry (15 lakhs fry @ Rs 7,000/ lakh fry)	1,05,000
III.	Net Income (Gross Return - Total Cost)	36,500

Source: Modified from the data of Central Institute of Freshwater Aquaculture, Bhubaneshwar, Orissa

• As two crops could be raised during one monsoon season (June-August), the net income from two crops in one hectare water area will be Rs. 73,000/-