International Journal of Aquaculture, 2016, Vol.6, No.12, 1
-
11
9
of the potential effect on fish.
Table 7 Total mold count and mold identified
Samples
Mould count (cfu/g)
Mould Identified
Tight Coppens
®
4.7×10
3
±0.011
c
Aspergillus flavus
Open Coppens
®
5.1×10
3
±0.120
c
Aspergillus flavus
Tight Multifeed
®
7.3 ×10
4
±0.047
b
Aspergillus flavus
Open Multifeed
®
9.5×10
4
±0.214
b
Aspergillus flavus
Tight Vitafeed
®
1.2×10
5
±0.412
a
Aspergillus flavus, Aspergillus niger
Open Vitafeed
®
2.2×10
5
±0.049
a
Aspergillus flavus, Aspergillus niger
P-Value
0.013
Note: Means in the same column followed by different superscript differ significantly. (P<0.05)
Table 8 The Rainfall, temperature, and Relative humidity during the storage period
MONTHS
Parameters
Nov
Dec
Jan
Feb
Mar
April
Max Temperature(
o
C)
34.0
34.5
35.9
38.2
35.2
31.9
Min Temperature(
o
C)
19.4
14.5
18.3
22.7
23.5
22.8
Extreme Temperature (
o
C)
36
37
37
38
40
39
Relative Humidity (%)
40
44.21
47.26
66.38
58.28
71.53
Rainfall (mm)
0.0
0.6
0.
0.5
0.0
143.2
Note: Source: NIMET: TAC, MKD, AIR PORT
Figure 9 Monthly moisture changes of Coppens
®
, Multifeed
®
and Vitalfeed under airtight and open conditions stored for the period of six
months.
References
Adaga K., 2014, Nutrient profile of some commercial feeds under different storage conditions and their effect on growth performance of
Clarias
gariepinus,.
Unpublished MSc, thesis department of Fisheries and Aquaculture, University of Agriculture Makurdi Nigeria, pp.125
American Institute of Nutrition (AIN), 1980, Second report of the ad hoc committee on standards for nutritional studies, J. Nutr., 110: 1726.
American Public Health Association (APHA), 1998, Standard Methods for the Examination of Water and Waste Water. 20th Edn., Washington DC., pp.1161
Andrews J. W., Murai T. and Cambell C., 1973, Effects of dietary calcium and phosphorus on growth, food conversion, bone ash and hematocrit levels of catfish,
J. Nutr., 103: 766-771(1973).
AOAC, 2002, 41.1.16 AOAC Official Method 96533 peroxide Value of oils And fats. Official Methods of analysis of AOAC International,17
th
edition.
Craithersberg, MD ADAC International.
Ayuba VO. and Iorkohol EK., 2012, Proximate composition of some commercial fish feeds sold in Nigeria, Journal of Fisheries and Aquatic Science, 8(1):
248-252. DOI: 10.3923/jfas.2013.248.252
Bautista M.N., Subosa P.F. and R.L. Celia, 1992, Effects Lin, C.F., A. Asghar, J.I. Gray, D.J. Buckley, A.M. Booren, of antioxidants on feed quality and growth
of R.L. Crackel and C.J. Flegal, 1989. Effects ofPenaeus monodon juvenile. J. Sci. Food Agri., 1: 55- oxidized dietary oil and antioxidant
