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Stockinq
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Yearsaf‘ters‘tockmg
F1g,1_,,
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densrty, average 1nd1vrdual weaght and
q_
.
.
.
srzed b1ghead f1nger11ngs 1n
;
y1eld/ha of frsh after one
In Nanshahe reserv01r.
_
,
…3> Optimal ffng1ngftkng
,
’The stocking of small fingerlings is à1Wàys
main reason
for
poor stocking
fingerliñgs have
&
faster growth rate (Fig. 2Î ana a
gain
return rate and
show better
avoid
The resuËté of
studies indi—
cete
that
cannot be easily
eaten by Erythrocultqe ilishaeormisîand E, monâoïicusjwhich have a
lenght of 50 cm.
5ËËCking
is 13.2 cm (Chu et
1975)»
.
A
Block
carpÎand
head with a total
The distance ormesh has no significant Effect on watët mbVement;
is acceptable and
management easy.
,
.["]_.—“—j
ï1‘,a;ïf;,‘
Î z
_
In Southern
“(total lenght:
13.2 cm) are
one
growing
season; to
China
Similar '—f mgerlmgscanbe raised
075 kg
…
ngig
Wing season and on
indicated
that One fingerling (total length: 13}2 cnù equals 3
(total
_
1ëngth= 10 cm)
(total lengEäa,7cm>
_
B. Predator control
The widely dietributed
in China
areï'
Elopichthys
Opsariichthys
nd g1ve lower Pï0_
ductivity. For example,
reservoir
2 000 ha °f cultnre
the yiÿe,lïdä*
and sllver
,
this
’
baffi,buèa became
many reserVO1rs
”iby E
,can be
sq
(Chueüetal
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>“:w
Ë.wa
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'g
;;5
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;
_
"
«
‘
…‘1'
È : '
-
Ϋ;
'
"'
;; ? ‘ _;.
Q
cm ,f
3
<‘>
*
=
c°Ê
/“
2712
‘1\
_
,300 .3—… ;
LQ,”.Ç…
_
°/
.o
\\
A
OBlg head
°
Ë
a
/
0
_
_
0 Silver corp
'
"
'
””
g de
0
\\
uso
*
%
ï‘
“
,
,\ ,°“.—__
…
…
,
…
…
.,
_
a 500
…
,
‘./‘ ,;>—"
04
.
\\
_———,o…,_z‘_:';
_
[
-
\—.—0
,
,.
__/.—"
…
'
750
|500
2250
,
|
2
Stockinq
density Nha»
Yearsaf‘ters‘tockmg
F1g,1_,,
ô*f ’êËî‘fferent
densrty, average 1nd1vrdual weaght and
q_
.
.
.
srzed b1ghead f1nger11ngs 1n
;
y1eld/ha of frsh after one
In Nanshahe reserv01r.
_
,
…3> Optimal ffng1ngftkng
,
’The stocking of small fingerlings is à1Wàys
main reason
for
poor stocking
fingerliñgs have
&
faster growth rate (Fig. 2Î ana a
gain
return rate and
show better
avoid
The resuËté of
studies indi—
cete
that
cannot be easily
eaten by Erythrocultqe ilishaeormisîand E, monâoïicusjwhich have a
lenght of 50 cm.
5ËËCking
is 13.2 cm (Chu et
1975)»
.
A
Block
carpÎand
head with a total
The distance ormesh has no significant Effect on watët mbVement;
is acceptable and
management easy.
,
.["]_.—“—j
ï1‘,a;ïf;,‘
Î z
_
In Southern
“(total lenght:
13.2 cm) are
one
growing
season; to
China
Similar '—f mgerlmgscanbe raised
075 kg
…
ngig
Wing season and on
indicated
that One fingerling (total length: 13}2 cnù equals 3
(total
_
1ëngth= 10 cm)
(total lengEäa,7cm>
_
B. Predator control
The widely dietributed
in China
areï'
Elopichthys
Opsariichthys
nd g1ve lower Pï0_
ductivity. For example,
reservoir
2 000 ha °f cultnre
the yiÿe,lïdä*
and sllver
,
this
’
baffi,buèa became
many reserVO1rs
”iby E
,can be
sq
(Chueüetal
..
=. \…“J% , Î —
‘:1‘,:tf
,
‘ _
‘
,
,
,
\\\H…MHH\H
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