Generally, it is known that different algal foods of
B. plicatilis can yield substantially different reproductive rates. Food type had a significant effect on the maximal
population density as reported by Navarro and Yufera
. Similar to the results of this study, the algal pigment
(b carotenes) displayed a highly positive significant correlation
with the growth rate of the B. plicatilis (r = 0.733, p < 0.01)
and the carbohydrates showed significant positive correlations
with Egg % (r = 0.657, p < 0.05). Algae fed to rotifer cultures
will alter the lipid and fatty acid composition of the rotifers
[10]. Additionally, [14] studied the chemical composition of
rotifers fed on different food at three growth phases; found
that the total lipid as percentage dry matter varied between
8.5% and 19.4%. Similar to the findings of this study
wherever, the fatty acid content of the B. plicatilis biomass
grown on A. platensis of the 4th run of the 22 CCD was highly
improved and exceeds that of the control. The saturated fraction
of fatty acids of B. plicatilis biomass was the predominant
fractions. In this respect, found a correlation between the
percentage composition of the short chain fatty acids 14:0
+ 16:0 in microalgae, and larval growth rates growing on it.
They reasoned that diets with higher percentages of the
saturated fats were more beneficial for the rapidly growing
larvae, because energy is released more efficiently from
saturated fats than unsaturated fats. Similar to the findings
of this study were the saturated fraction of fatty acids of the
alga biomass grown on the waste effluent was dominant as
compared to the mono- and polyunsaturated fractions. The
main components of the saturated fraction were Myristic Acid
(C14:0) and Pentadecanoic Acid (C15:0) which is the most
important fatty acid in the saturated fraction. In accordance
with the study results, reported the digestibility of various
oil seed cakes/meals in African catfish diets. This study is an
economically useful message, as it will reduce the extent of
rigor required to maintain production.