.
‘ â>—i ‘ ; : ; 31,
‘
x
-
K. Dabrowsk: et al.
Derivation of requirement of metabolizable energy for
differing metabolic levels
‘
Body Weight
Method
Temp.
System
Phys.Status
Regression
ME—Re—
Author
Year
Range
quire—
ment
9
°c
9
M
Y(KJ 6-1)
(KJ)per
x
Fish d-1
_______________________________________________________________________
,
2.5—3.5
02—Balance
20
—
—
37.2 X WO-8
5.89
Ninberg
1956
45 -490
(TZ—Balance
20
sc
+
41.6 x w0-909
5.13
Beamish
1964
42 —945
Comparative
23
56
+(280)
23.4 x w0-555
6.37
Meske &
1979
slaughter Techn.
Pfeffer
167—
Comparative
24
SC
+(35)
—
4.86
Schwarz et al.
'
slaoghter Techn.
651
—
24
sc
+(35)
-
7.72
-
1984
1099
-
24
sc
+(35)
-
4.70
-
14
Comparative
20
SC
+(35)
—
7.60
Schwarz et al.
slaughter Techn.
607
—
20
sc
+(35)
6.90
-
1984
1525
-
20
se
+(35)
-
6.40
—
3.B-15.7
Comparative
20
96
+…
46.3 x w0-815
7.07
Kausch
1968
slaughter Techn.
,
70—1600
02—Belance
23
sc
+( 5)
17.7 x wÛ—841
2.55
Becker
1984
Comparative
23
se
+(10)
17.6 x w°-814
2.70
-
1984
slaughter Techn.
23
96
+(42)
19.7 x 00—795
3.15
_
1984
25 -200
-
23
F
+
27.7 x 00—491
7.33
Becker e.a.1983
—
02—Balance
20
—
+
69.0 x w0-8
10.94
Winberg
1956
1.7 -957
Og—Balance
23
F
+(1)
51.0 x w0—815
7.79
Huisman
1974
48 -
86
-
23
F
+
66
x w0—8
10.46
—
1976
Comparative
slaughter Techn.
.
50
Comparative
20
SC
+
—
8.74
Schwarz&
1984
slaughter Techn.
Kirchgessner
Regression
70 -
1600
02-9a1aoee
23
96
+
32.7 x w0-799
5.19
Becker
1984
Comparative
.slaughter Techn.
___________________________________________________________________
SC :
Semiclosed system
F
:
Flowthrough
S
:
Starvation
(1) — Duration, 0
M
:
Maintenance
The measured Km—values was
and variation coefficient 7.52.
For starvation loss, the mean values of the first five days of starvation
was
taken into account. From Huisman 's results
(1976) a
of 0.70
wâs deduced for carp weighing 50 g. Schwarz and Kirchgessner (198ê) used a
value of 0.8.
Net
requirement for growth
Resulting from.53 experimental diets varying in the content of protein,
fat
and energy from.200—550 g, 0—260 g and 13.9—24.9 MJ GE kg“1 feed dry matter IESÊECt1V61Y,
mean
values of
147i 10.4 g protein, 84Î37 g ether extract
and
7.1—1.5 MJ energy per kg body weight gain can be calculated. In the expe—
riments
quoted above specific growth rates (SCR) up to about 3% in the weight
range
40—1100 g were achieved. For the estimation of the daily ME requirement
bes1des
the growth 1ntens1ty and maintenance, also the efficiency of utilizat10n of metabolrzable energy for growth must be known.
‘ â>—i ‘ ; : ; 31,
‘
x
-
K. Dabrowsk: et al.
Derivation of requirement of metabolizable energy for
differing metabolic levels
‘
Body Weight
Method
Temp.
System
Phys.Status
Regression
ME—Re—
Author
Year
Range
quire—
ment
9
°c
9
M
Y(KJ 6-1)
(KJ)per
x
Fish d-1
_______________________________________________________________________
,
2.5—3.5
02—Balance
20
—
—
37.2 X WO-8
5.89
Ninberg
1956
45 -490
(TZ—Balance
20
sc
+
41.6 x w0-909
5.13
Beamish
1964
42 —945
Comparative
23
56
+(280)
23.4 x w0-555
6.37
Meske &
1979
slaughter Techn.
Pfeffer
167—
Comparative
24
SC
+(35)
—
4.86
Schwarz et al.
'
slaoghter Techn.
651
—
24
sc
+(35)
-
7.72
-
1984
1099
-
24
sc
+(35)
-
4.70
-
14
Comparative
20
SC
+(35)
—
7.60
Schwarz et al.
slaughter Techn.
607
—
20
sc
+(35)
6.90
-
1984
1525
-
20
se
+(35)
-
6.40
—
3.B-15.7
Comparative
20
96
+…
46.3 x w0-815
7.07
Kausch
1968
slaughter Techn.
,
70—1600
02—Belance
23
sc
+( 5)
17.7 x wÛ—841
2.55
Becker
1984
Comparative
23
se
+(10)
17.6 x w°-814
2.70
-
1984
slaughter Techn.
23
96
+(42)
19.7 x 00—795
3.15
_
1984
25 -200
-
23
F
+
27.7 x 00—491
7.33
Becker e.a.1983
—
02—Balance
20
—
+
69.0 x w0-8
10.94
Winberg
1956
1.7 -957
Og—Balance
23
F
+(1)
51.0 x w0—815
7.79
Huisman
1974
48 -
86
-
23
F
+
66
x w0—8
10.46
—
1976
Comparative
slaughter Techn.
.
50
Comparative
20
SC
+
—
8.74
Schwarz&
1984
slaughter Techn.
Kirchgessner
Regression
70 -
1600
02-9a1aoee
23
96
+
32.7 x w0-799
5.19
Becker
1984
Comparative
.slaughter Techn.
___________________________________________________________________
SC :
Semiclosed system
F
:
Flowthrough
S
:
Starvation
(1) — Duration, 0
M
:
Maintenance
The measured Km—values was
and variation coefficient 7.52.
For starvation loss, the mean values of the first five days of starvation
was
taken into account. From Huisman 's results
(1976) a
of 0.70
wâs deduced for carp weighing 50 g. Schwarz and Kirchgessner (198ê) used a
value of 0.8.
Net
requirement for growth
Resulting from.53 experimental diets varying in the content of protein,
fat
and energy from.200—550 g, 0—260 g and 13.9—24.9 MJ GE kg“1 feed dry matter IESÊECt1V61Y,
mean
values of
147i 10.4 g protein, 84Î37 g ether extract
and
7.1—1.5 MJ energy per kg body weight gain can be calculated. In the expe—
riments
quoted above specific growth rates (SCR) up to about 3% in the weight
range
40—1100 g were achieved. For the estimation of the daily ME requirement
bes1des
the growth 1ntens1ty and maintenance, also the efficiency of utilizat10n of metabolrzable energy for growth must be known.