Sample

Initial weight

(g)

Final weight

(g)

Gonadal weight

(g)

No of eggs in 1 g sample

weight gain (g)

In (weight gain)

Specific growth rate

Protein efficiency ratio

Gonadal somatic index

Fecundity

(Eggs)

Fecundity in 1000

A

447

456

18

30,000

9

2.20

7.86

0.193

3.947

540,000

540

A

371

378

14

29,120

7

1.95

6.96

0.150

3.704

407,680

407.68

A

364

372

15

31,200

8

2.08

7.43

0.172

4.032

468,000

468

A

326

342

31

64,480

16

2.77

9.89

0.343

9.064

1,998,880

1998.88

A

291

310

6

12,480

19

2.94

10.50

0.408

1.935

74,880

74.88

A

287

291

32

66,560

4

1.39

4.96

0.086

10.997

2,129,920

2129.92

A

285

288

22

45,760

3

1.10

3.93

0.064

7.639

1,006,720

1006.72

B

400

440

19

35,000

40

3.69

13.18

0.858

4.318

665,000

665

B

345

392

24

18,024

47

3.85

13.75

1.009

6.122

432,576

432.576

B

317

372

29

21,779

55

4.01

14.32

1.180

7.796

631,591

631.591

B

304

364

36

27,036

60

4.09

14.61

1.288

9.890

973,296

973.296

B

304

338

39

29,289

34

3.53

12.61

0.730

11.538

1,142,271

1142.27

B

270

320

6

4506

50

3.91

13.96

1.073

1.875

27,036

27.036

B

261

298

34

25,534

37

3.61

12.89

0.794

11.409

868,156

868.156

C

365

398

54

46,008

33

3.50

12.50

0.708

13.568

2,484,432

2484.43

C

366

391

40

34,080

25

3.22

11.50

0.536

10.230

1,363,200

1363.2

C

328

382

35

29,820

54

3.99

14.25

1.159

9.162

1,043,700

1043.7

C

325

377

33

28,116

52

3.95

14.11

1.116

8.753

927,828

927.828

C

308

372

23

19,596

64

4.16

14.86

1.373

6.183

450,708

450.708

C

301

351

24

20,448

50

3.91

13.96

1.073

6.838

490,752

490.752

C

299

338

40

34,080

39

3.66

13.07

0.837

11.834

1,363,200

1363.2