Appendix 4
DATA ON INTENSIVE FISH CULTURE

a. Hlawga fish pond

1.	Locality	-	Hlawga fish farm
2.	Pond area	-	0.3 acre (0.12 ha) - S₁ pond
3.	Pond soil	-	pH is moderately acidic. Soil is medium in total N, but low in available N and P₂O₅ and organic carbon.
4.	Date of stocking	-	12 April 1969
5.	Stocking rate	-	5 417/ha
6.	Harvesting		Gross production of fish in 9 months			711.1 kg
			Total weight of yearlings introduced			186.4 kg
			Net production of fish in 9 months			524.7 kg
			Net production per hectare in 9 months			4 372.5 kg
7.	Expenditure	a)	Capital investment per year (cost of land and pond construction to be realized in 6 years		K	250.00¹
		b)	Cost of yearlings 186.4 kg at 2/kg		K	380.00
		c)	Cost of feeding
			i)	Rice cake	K	122.00
			ii)	Oil cake	K	358.00
		d)	Fertilization cost
			i)	Lime	K	5.00
			ii)	Cowdung	K	50.00
			iii)	Superphosphate	K	40.00
		e)	Wages for 1 man for 9 months ²		K	738.00
		f)	Cost for filling water and draining		K	30.00
		g)	Water tax		K	10.00
		h)	Miscellaneous expenses		K	17.00
			Total		K	2 000.00
8.	Returns		Sale proceeds of 648.7 kg of fish at K 3.75/kg		K	2 432.00
			Sale proceeds of 39.5 kg of tilapia at K 1.75/kg		K	69.10
			Sale proceeds of 22.9 kg of common carp at K 1.00/kg		K	22.90
			Total		K	2 524.00
			Less - total cost of production		K	2 000.00
			Estimated net return in 9 months		K	524.00
			Estimated net return/ha/annum		K	5 822.00

¹ K = Kyat (unit of currency in Burma). K 1 = 21 U.S.¢. U.S.$1 = 4.762 K.
² 1 man can manage at least 2 acres of farm ponds. Therefore this expense is rather high for a small pond.

b. Private fish pond

1.	Locality	-	Sawbwagyigon (Mingaladon), 19 km from Rangoon
2.	Pond area	-	0.2 ha
3.	Data on pond soil	a)	pH - 6.8 very slightly acidic (near neutral)
		b)	Hygroscopic moisture - 3.605%
		c)	Soil texture - > 0-.05 mm 8.6%
			0.05–.002 mm 48.6%
			< 0.002 mm 43.4%
			Soil is silty clay in texture
		d)	Organic carbon - 0.634% (low)
		e)	Humus - 1.105%
		f)	Total N - 0.144% (high)
		g)	Available N 3.85% (low)
		h)	Available P₂O₅ - 3.1% (medium)
4.	Water pH	-	7.6 – 7.8
5.	Stocking rate	-	10 570/ha
6.	Date of stocking	-	1 September 1969
7.	Harvesting		Production in 13 months			2 261.6 kg
			Weight of fish which died during study			13.3 kg
						2 274.9 kg
			Weight of fingerlings introduced			3.2 kg
			Total production in 13 months (considering 10% mortality in addition to mortality observed)			2 271.7 kg
			Production per hectare in 13 months			11 358.5 kg
			Production per hectare in 1 year			10 390.0 kg
			In addition 40 viss or 64 kg of shrimps harvested.
8.	Economics of fish production in the private pond
	I) Expenditure	a)	Cost of land at K 1 500.00 per acre		K	750.00
		b)	Cost of pond construction		K	1 200.00
			The capital investment to be realized in 5 years		K	1 950.00
		c)	Investment per year		K	390.00
		d)	Total cost calculated on feeding
			i)	Rice bran	K	205.00
			ii)	Oil cake	K	596.00
		e)	Total cost of pond fertilization
			i)	Poultry manure	K	50.00
			ii)	Cowdung	K	90.00
			iii)	Superphosphate	K	118.00
		f)	Wages for 1 man for 13 months at K 82/month ¹		K	1 066.00
		g)	Cost of fingerlings		K	240.00
		h)	Miscellaneous recurring expenses including pumping water and final harvesting and marketing		K	245.00
			Total expenditure in 13 months		K	2 000.00
	II) Returns		Sale proceeds of 2 271 kg or 1 420 viss at K 5.50/viss		K	7 810.00
			Cost of 40 viss of prawn at K 1/viss		K	40.00
			Total income		K	7 850.00
			Total expenditure		K	2 000.00
			Net profit		K	5 850.00
			Estimated net return in 1 year for ½ acre of pond		K	5 400.00
			Cost of production is K 1.43/viss or 18.5 ¢/kg

¹ 1 man looks after the vegetable garden, pigsty and poultry in addition to the farm pond.

Appendix 4 DATA ON INTENSIVE FISH CULTURE

a. Hlawga fish pond

b. Private fish pond

Appendix 4
DATA ON INTENSIVE FISH CULTURE