APPENDIX 8. SMC MONTHLY WORKING PLAN FOR GREEN SNAIL SEED PRODUCTION

SOPU MARICULTURE CENTER TONGA

MONTHLY WORKING PLAN FOR GREEN SNAIL SEED PRODUCTION

JANUARY

Spawning
1. Diatom culture
	(1)	Preparation of Substrate	2 days
	(2)	Preparation of Tank	1 day
	(3)	Preparation of seawater/Fertilizer	1 day
	(4)	Cultivation of diatom	2 weeks
2. Spawning
	(1)	Selection/cleaning of the spawners		1 da y
	(2)	Packing stimulation		1 day
	(3)	UV stimulation/Fertilization V		6 hours
	(4)	Larval rearing		3 – 4 days
	(5)	Observation of larval development		4 days
3. Larval settlement/Juvenile rearing
	(1)	collection of larvae from the larval rearing tank and counting of number of larvae		1 day
	(2)	Transference of larvae to the larval settlement tank.		1 day
	(3)	Checking swimming larvae.			2 – 3 days
	(4)	Juvenile rearing

4. Routine Works
4. Routine Works

FEBRUARY

Spawning
1. Diatom culture
	(1)	Preparation of Substrate	2 days
	(2)	Preparation of Tank	1 day
	(3)	Preparation of seawater/Fertilizer
	(4)	Cultivation of diatom	2 weeks
2. Spawning
	(1)	Selection/cleaning of the spawners		1 day
	(2)	Packing stimulation		1 day
	(3)	UV stimulation/Fertilization V		6 hours
	(4)	Larval rearing		3 – 4 days
	(5)	Observation of larval development		4 days
3. Larval settlement/Juvenile rearing
	(1)	collection of larvae from the larvalrearing tank and counting ofnumber of larvae		1 day
	(2)	Transference of larvae to the larvalsettlement tank.		1 day
	(3)	Checking swimming larvae.			2 – 3 days
	(4)	Juvenile rearing	1st spawning
				2nd spawning

	(5)	Size measurement each spawing group		1 day (1st spawing)
4. Routine Works
4. Routine Works

MARCH

Spawning
1. Diatom culture
	(1)	Preparation of Substrate	2 days
	(2)	Preparation of Tank	1 day
	(3)	Preparation of seawater/Fertilizer	1 day
	(4)	Cultivation of diatom	2 weeks
2. Spawning induction
	(1)	Selection/cleaning of the spawners		1 day
	(2)	Packing stimulation		1 day
	(3)	Uv. stimulation/Fertilization		6 hours
	(4)	Larval rearing		3 – 4 days
	(5)	Observation of larval development		4 days
3. Larval settlement/Juvenile rearing
	(1)	collection of larvae from the larval rearing tank and counting of number of larvae		1 day
	(2)	Transference of larvae to the larval settlement tank.		1 day
	(3)	Checking swimming larvae.			2 – 3 days
	(4)	Juvenile rearing	1st spawning

			2nd spawning

				3rd spawning

	(5)	Size measurement		1 day (1st/2nd spawing)
4. Routine Works
4. Routine Works

APRIL

1. Larval settlement/Juvenile rearing
	(1)	Juvenile rearing	1st spawning

			2nd spawning

			3rd spawning

	(2)	Size measurement (including each intermediate Individual)		1 day (1st/2nd/3rd spawning)
2. Intermediate culture
	Preparation of the intermediate culture cages
	PHASE 1			1st spawning

3. Routine Works

MAY

1. Larval settlement/Juvenile rearing
	(1)	Juvenile rearing	2nd spawning

			3rd spawning

	(2)	Size measurement		1 day (2nd/ 3rd spawning)
2. Intermediate culture
	(1)	PHASE I	1st spawning
	(1)	PHASE I
	(2)	Size measurement		1 day (1st spawning)
3. Routine works
3. Routine works

JUNE

1. Larval settlement/Juvenile rearing
	(1)	Juvenile rearing	2nd spawning

			3rd spawning

	(2)	Size measurement		1 day (3rd spawning)
		8
2. Intermediate culture
	(1)	PHASE I	1st spawning

			2nd spawning

	(2)	PHASE II	1st spawning

	(3)	Size measurement (including PHASE II juvenile)		1 day (1st/2nd spawning)
3. Routine works

JULY

1. Larval settlement/Juvenile's
	(1)	rearing	3rd spawning

	(2)	Size measurement		1 day (3rd spawning)
2. Intermediate culture
	(1)	PHASE I	1st spawning

			2nd spawning

	(2)	PHASE II	1st spawning

				2nd spawning

	(3)	Size measurement including PHASE II Juvenile
				1 day (1st/2nd spawning)
3. Routine works

AUGUST

1. Larval settlement/Juvenile rearing			3rd spawning

2. Intermediate culture
	(1)	PHASE I	2nd spawning

			3rd spawning

	(2)	Size measurement including PHASE II Juvenile
				1 day (1st/2nd/3rd spawning)
	(3)	PHASE II	1 st spawning

			2nd spawning

				3rd spawning

	(4)	Size measurement		1 day (1st spawning)
3. Routine works

SEPTEMBER

1. Intermediate culture
	(1)	PHASE I	2nd spawning

			3rd spawning

	(2)	Size measurement (including PHASE II individuals
	(2)	Size measurement (including PHASE II individuals		1 day (2nd/3rd spawning)
	(3)	PHASE II	1 st spawning

			2nd spawning

			3rd spawning

	(4)	Size measurement		1 day (1st spawning)
	(5)	PHASE III		1st spawning

2. Routine works
2. Routine works

OCTOBER

1. Intermediate culture
	(1)	Juvenile rearing	PHASE I	3rd spawning
	(2)	Size measurement including PHASE II			1 day (3rd spawning)
2. Intermediate
	(1)	Juvenile rearing	PHASE II	2nd spawning
				3rd spawning
	(2)	Size measurement including PHASE III			1 day (2nd/3rd spawning)
3. Intermediate
	PHASE III
	(1)	Juvenile rearing		1 st spawning
					2nd spawning
	(2)	Size measurement			1 day (1st spawning)

NOVEMBER

1. Intermediate culture
	(1)	Juvenile rearing		PHASE I	3rd spawning
	(2)	Size measurement including PHASE II				1 day (3rd spawning)
2. Intermediate
	(1)	Juvenile rearing		PHASE II	2nd spawning
					3rd spawning
	(2)	Size measurement including PHASE III				1 day 2nd spawning)

3. Intermediate
			PHASE III
	(1)	Juvenile rearing			1 st spawning
					2nd spawning
	(2)	Size measurement				1 day (1st spawning)

DECEMBER

1. Intermediate
	(1)	Juvenile rearing	PHASE II	2nd spawning
	(2)	Size measurement including PHASE II		3rd spawning
					1 day (3rd spawning)
2. Intermediate
	(1)	Juvenile rearing	PHASE II	1st spawning
				2nd spawning
	(2)	Size measurement			3rd spawning
					1 day (1st spawning)