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 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
|