Growth of Puntazzo puntazzo in cages in Selonda bay, Corinthos, Greece Gatland P. Marine aquaculture finfish species diversification Zaragoza : CIHEAM Cahiers Options Méditerranéennes; n. 16 1995

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Marine aquaculture finfish species diversification Zaragoza : CIHEAM

Cahiers Options Méditerranéennes; n. 16 1995

pages 51-55

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--- Gatland P. Growth of Pu n tazzo pu n tazzo in cages in Selon da bay, Corin th os, Greece. Marine aquaculture finfish species diversification . Zaragoza : CIHEAM, 1995. p. 51-55 (Cahiers Options Méditerranéennes; n. 16)

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Growth of Punfazzo puntazzo in cages in Selonda bay, Corinthos, Greece

P. GATLAND

SELONDA AQUALCULTURE S.A.

AG. PANTON 9, KALLITHEA ATHENS

GREECE

-

puntazzo fry of

stocked initially into a cage in weight of in 29 months to

two batches of 65,854 & 81,620

fir

in in

stocked at of this

puntazzo is

words: puntazzo, in cages.

-

^la

1992,32.822 alevins de d’un poids moyen de 0,55g ont

été placés initialement dans des cages dans la lot a

atteint un poids moyen de 3778 en

de 17,8% et lots de 65.854

et 81.620 alevins de à un

poids moyen de 1,6g et 1 la de Selonda et en

à

puntazzo.

l _:

is fin fish

develops new species to

is on On way to

fish is to mix

species. was with this in

(3)

in & fry

in in 120 cu.m with 32822 fry

in two 120 cu.m cages at a mean weight of 1.6g and batch X3 was stocked in

with 81620 fry at fry was stocked in one

cu.m and at

at Sparus aurata and

Fish Weight Cage Size

0.5

-

15 g 120 cu.m volume 1 5 - 3 0 g 240 cu.m 3 0 - 70 g 500 cu.m 70

-

250 g 1000 cu.m 250

+

g 2000 cu.m

the

the net an the following feed.

Feed Type Fish Weight

Aqualim Alevinage No 2 0.5

-

1 g Alevinage No 3 1 - 3 g Alevinage No 4 3

-

8g No 1 8

-

15g No 2 15

-

35g No 3 35

-

1oog No 4 100

-

3$0g

by the Aqualim tables as Sparus aurata

&

of in of 17.8 %.

of 24.12 % and

of in

with

a

%.

Table 1

BATCH I ^{ST. FRY}1 FI. BIOMASS I ^MONTHSI ^MEANWT. ^MORTSI FEED FCR

I I I I I

Batch Batch I

52

(4)

X4 of 88 95. 2 &

3 we fish

in the fish 6

months.

1.

MEAN MONTHLY SEA WATER TEMPEFWTURES

2.

BATCH X1

-

^GROWTH

1 we see batch X1 was 17.8 %, batch X2 was 24.12 % batch X3 19.12 %. & 5

Ciliophoris spp. Gyrodactylus spp.

infection caused by Vibrio spp. Sparus aurata and Dicentrachus labrax

(5)

by indicated that most of

of low 4 a 3.7

mg/l. is possible that to low oxygen than Sparus aurata.

was noticed that do not chew and make holes in the net like Sparus aurata

to on the in the'net.

Figus-e 3.

BATCH X2 & X3

-

^GROWTH

250

-

^BATCH^X3

4.

BATCH X I

-

^MORTALITY

54

(6)

BATCHES X2 & X3

-

MORTALITY

- BATCH

we ^fjr,$0.88 / kg

the feed and an $ 2.30 / so

is / is likely

to in