t-,/rrr',r47c

83
periods during fmenlatioo fo! prorein yietd. Such addition rhercfore was not
adopied in tu(her €xperimetrts.
6. Deferminalion of Optimum level of Corn Stcep Liquor
(CSL| at 48 Hours
Coh sr.ep liquor (csl) is a w6r. !rcducr or com sb&h indNlry ed
ir.railabh in obundsnr qtrexry ar ch.ap @re. Beides it,, rich in viramms,
rnDerdls and rilrogcn. An .ficry)r ws m.de to supple,rent rh. fermcniatio,
Dedfun to deterftirc lhe opftnum levet for hjSher biomass prcreitr yietd. The
suppreDEDlalton ofstcritizd csl ws done an.r &ljLrslinS ca6on lo nirrcSeo hrio
at l0:l and Oe harvcsiinS ws donc ar 72 hou6..I.tE avenge true prorein vdws
obtaincd as elTecied by supplenentalion of diffsent lerek ofCSL arc pr*enred in
Table 5. The dsta werc subjected to st lhtical afttysts and rhe anatysis of veiarce
ol rhe data has been shown in App.ndix XL Thc Esrrrs .cvealed significant
differcnces in rruc p.or€in valu.s ofthc biomass amorg diIarc l€veh ofCSL. A
gadual decrcasing rend i, biomass protein yietd was oDsefred by incieasing rhe
levcl ofCSL. Tl€ prorein valuc obtained from conror wd comparabte wjth rhar
oblained when 0.5% CSL was supplemente4 the difference betwen thc two bcing
nolsiSnificant. TIe pdein vatue signific€ntty drcpp.d beyond rhis levet dl 1.0%
CSL. The reujrs indicarcd thar CSL supptenmi€d ro ft€ ferDenrarion medium at
0.5% l€vel wa3 good for its uritialion for b€rer bjomass yretd. However. the exacl
ln€ for;tr supplemenhtion was requh€d to b€ del.rmined.
Berause CSL conhins . numb.r of mincsrs, the quanriry of any of
lhe mineral, lniehr had bsome hiSh by incre4ing ib levet. fth probabty had
seprcscd grcwrh of th€ fenenr6rive organi$n and ulrimalety rh. biomass proiein
yield was lowered d highef tevet. However, its supptementadon at lower l.vel
proved 8ood. Yogo e/ al (1976) and Suaki er al (1977), aho .eported b.!er
resulrs of towq l.vel (o.tyd) of suppl.menrafon. CSL n4 becn shown as good
source of nitogen for supptem€nblion ro thc femc arion mcdium (Care and