Poersch Leffler Stokes Brunson Richardson Pitts Gaona
SHRIMP CULTURE IN BFT SYSTEM INTEGRATED TO OYSTER, TILAPIA AND RED DRUM
Luís H. Poersch1 2 *, John Leffler1, Al Stokes1, Jeff Brunson1, Jacob Richardson1, Kevin Pitts1, Carlos A. Gaona2 1Department
of Natural Resources, South Carolina, Waddell Mariculture Center 2Federal University of Rio Grande (FURG), Institute of Oceanography - Brazil. [email protected]
Introduction
Multi-trophic system
Introduction
Advantages
• Produce Shrimp + Oyster + Fish • Water quality / treatment • Inland areas • Reduce costs
Objectives
• Produce Shrimp + Oysters + Fish • Zootechnical viability • Role of Tilapia on the water quality
Material & Methods
Extructure
250 Shrimp/m3
14 Red Drum/m3 + Oyster
0 Tilapia/m3
Settling tank 250 Shrimp/m3 30 tons
60
Tilapia/m3 1.5 tons
14 Red Drum/m3 + Oyster 5 tons
Material & Methods
Management NO water change (dextrose) Salinity
Water quality Settling tanks
Biometry Feed 3 x day
Results
• Water quality
Results
• Water quality
After harvest
Results
• Shrimp growth
Tank
Initial weight (g)
Final weight Survival (%) (g)
Growth/week
FCR
A
2.1
12.3
92
1.29
1.1
B
2.0
12.2
96
1.27
1.0
C
2.1
12.8
54
1.34
1.68
D
2.1
12.6
90
1.33
1.0
• Tilapia growth Tilapia
Tilapia 30
350
Tank C Tank D
Data 4
200
100
150 100 50 0
Lenght (cm)
250
0
Tank
Oysters survival (%)
Weight (g)
Results
300
15
80
20
10
Control Biological treatment
60
30 40
45
60
75
0
0
15
30
45
60
75
Time (days)
Time (days) 20
0 Initial 0 weight (g)
Final weight Survival (%) 30 45 60 (g)
Growth/week (g)
FCR
-
-
-
15
Days
75
A
-
-
B
-
-
-
-
-
C
86.39
211.92
100
15.69
0.87
D
84.12
199.00
100
14.36
0.82
• Red Drum growth
Red drum
Red drum
30
Lenght (cm)
200
Red drum 100
0
300
0
Tank
10
Weight (g)
Weight (g)
Results
300
20
200
30
40
50
60
70
25
Control Biological treatment
20 Control Biological treatment
15 10
0
20
30
40
50
60
Time (days)
Time 100 (days)
Initial0 0 weight (g)
10
Final weight Survival (%) Growth/week 20 (g) 30 40 50 60 70 (g)
10
FCR
Time (days)
A
72.50
170.23
99
12.22
1.01
B
69.37
174.03
97
13.08
0,94
C
71.13
158.78
99
10.95
1,10
D
71.64
179.31
99
13.46
0,90
70
• Oysters
Data 4
Oysters
Data 4 100
60 50 40 30 20
0
Oysters survival (%)
Growth (cm)
Results
70
15
80 60 40 20
30
45
60
Oysters survival (%)
100
80
75
Control 80 Biological treatment
60
Control Biological treatment
40 20 0
0
15
Time (days)
0
0
15
30
45
Days 30
45
Days
60
75
60
75
Conclusions
Is possible to integrate shrimp, tilapia, red drum and oyster in BFT system; Tilapia and oysters had no effects on the water quality (under these conditions); After 1 year is possible produce: 4 shrimp cycles (12 g) 2 tilapia cycles (500 g) 1 red drum cycle (800 g)
Acknowledgment
Luís H. Poersch1 2 *, John Leffler1, Al Stokes1, Jeff Brunson1, Jacob Richardson1, Kevin Pitts1, Carlos A. Gaona2 1Department
of Natural Resources, South Carolina, Waddell Mariculture Center 2Federal University of Rio Grande (FURG), Institute of Oceanography - Brazil. [email protected]
Introduction
Multi-trophic system
Introduction
Advantages
• Produce Shrimp + Oyster + Fish • Water quality / treatment • Inland areas • Reduce costs
Objectives
• Produce Shrimp + Oysters + Fish • Zootechnical viability • Role of Tilapia on the water quality
Material & Methods
Extructure
250 Shrimp/m3
14 Red Drum/m3 + Oyster
0 Tilapia/m3
Settling tank 250 Shrimp/m3 30 tons
60
Tilapia/m3 1.5 tons
14 Red Drum/m3 + Oyster 5 tons
Material & Methods
Management NO water change (dextrose) Salinity
Water quality Settling tanks
Biometry Feed 3 x day
Results
• Water quality
Results
• Water quality
After harvest
Results
• Shrimp growth
Tank
Initial weight (g)
Final weight Survival (%) (g)
Growth/week
FCR
A
2.1
12.3
92
1.29
1.1
B
2.0
12.2
96
1.27
1.0
C
2.1
12.8
54
1.34
1.68
D
2.1
12.6
90
1.33
1.0
• Tilapia growth Tilapia
Tilapia 30
350
Tank C Tank D
Data 4
200
100
150 100 50 0
Lenght (cm)
250
0
Tank
Oysters survival (%)
Weight (g)
Results
300
15
80
20
10
Control Biological treatment
60
30 40
45
60
75
0
0
15
30
45
60
75
Time (days)
Time (days) 20
0 Initial 0 weight (g)
Final weight Survival (%) 30 45 60 (g)
Growth/week (g)
FCR
-
-
-
15
Days
75
A
-
-
B
-
-
-
-
-
C
86.39
211.92
100
15.69
0.87
D
84.12
199.00
100
14.36
0.82
• Red Drum growth
Red drum
Red drum
30
Lenght (cm)
200
Red drum 100
0
300
0
Tank
10
Weight (g)
Weight (g)
Results
300
20
200
30
40
50
60
70
25
Control Biological treatment
20 Control Biological treatment
15 10
0
20
30
40
50
60
Time (days)
Time 100 (days)
Initial0 0 weight (g)
10
Final weight Survival (%) Growth/week 20 (g) 30 40 50 60 70 (g)
10
FCR
Time (days)
A
72.50
170.23
99
12.22
1.01
B
69.37
174.03
97
13.08
0,94
C
71.13
158.78
99
10.95
1,10
D
71.64
179.31
99
13.46
0,90
70
• Oysters
Data 4
Oysters
Data 4 100
60 50 40 30 20
0
Oysters survival (%)
Growth (cm)
Results
70
15
80 60 40 20
30
45
60
Oysters survival (%)
100
80
75
Control 80 Biological treatment
60
Control Biological treatment
40 20 0
0
15
Time (days)
0
0
15
30
45
Days 30
45
Days
60
75
60
75
Conclusions
Is possible to integrate shrimp, tilapia, red drum and oyster in BFT system; Tilapia and oysters had no effects on the water quality (under these conditions); After 1 year is possible produce: 4 shrimp cycles (12 g) 2 tilapia cycles (500 g) 1 red drum cycle (800 g)
Acknowledgment
