Proximate composition of housefly maggot meal is
presented in table 1 (small larvae sample) and table 2 (big larvae sample).
Samples are replicated. Values are means of duplicate analyses.
Table 1: PROXIMATE
COMPOSITION OF MAGGOT MEAL (Small larvae sample )
SAMPLE(SLS)
|
% CP
|
% FAT
|
% FIBER
|
% ASH
|
% M
|
% DM
|
%NFE
|
GE
|
I
|
41.65
|
4.08
|
4.25
|
12.98
|
6.08
|
93.92
|
30.96
|
17.02
|
II
|
41.54
|
4.05
|
4.23
|
13.03
|
6.05
|
93.95
|
31.10
|
17.01
|
MEAN
|
41.60
|
4.07
|
4.24
|
13.01
|
6.07
|
93.94
|
31.03
|
17.02
|
+ SE
|
51.09
|
4.99
|
5.21
|
15.19
|
7.45
|
115.39
|
38.12
|
20.90
|
%M= (100 - %DM ; % NFE = 100
– (%cp + % lipid + % ash + %m); GE=gross energy, BLS = big
larva sample.NFE =
nitrogen free extract ;Gross energy = calculated by; crude protein 23.9kj/g ,
crude lipid 39.8kj/g ,NFE =17.6kj/g (Schulz et
al., 2005).
TABLE 2 : PROXIMATE
COMPOSITION OF MAGGOT MEAL (Big larvae sample)
SAMPLE
|
%CP
|
%FAT
|
%FIBER
|
%ASH
|
%M
|
%DM
|
%NFE
|
GE
|
I
|
43.38
|
4.67
|
4.18
|
13.17
|
4.17
|
95.83
|
30.43
|
17.59
|
II
|
43.29
|
4.63
|
4.15
|
13.15
|
4.14
|
95.86
|
30.64
|
17.58
|
MEAN
|
43.34
|
4.65
|
4.17
|
13.16
|
4.16
|
95.85
|
30.54
|
17.59
|
+ SE
|
53.23
|
5.71
|
5.12
|
16.17
|
5.11
|
166.01
|
37.51
|
21.60
|
%m= (100 - %DM; % NFE = 100
– (%cp + % lipid + % ash + %m); BLS = big larva sample.NFE = nitrogen free
extract ;Gross energy = calculated by; crude protein 23.9kj/g , crude lipid
39.8kj/g ,NFE =17.6kj/g (Schulz et al.,
2005).
ECONOMIC ANALYSES OF MAGGOT PRODUCTION
Economic
implication of maggot meal is presented in table 3. The table presents financial details of
maggot production.
Table 3
|
Gross income (output)(
|
6240
|
|
Total variable cost(
|
5300
|
|
Gross margin(
|
940
|
|
Total output (kg)
|
13
|
|
Cost per unit (
|
408
|
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