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SUMMARY
Rice polishings is a by-product of ricc industry ed is availabl€ in
lbuDdant qu.ntity in Palhlan. Althoueh it is quit€ ich in encrgy bur its high fiber
cuncDls limirs irs usc i! pooltry raions.It m bc lscd in poulrry drions at 5lo 8%
level. lhe surplu quan y oftbis agriculLure byproducl is wasrcd.s tUet lbr brick
nakjng. It wa so pldned lo upg8de its nulritional valuc $.oud fermentalion
with ref.rcnce lo its prcl€in conrents and also d.gEde ils {ib€r conretrls to make ir
more digeslible. The ain of the sludy under report w6 to use rice polishings as
subslrate for the prodrclion of mic.obial biomass protein rh.ouSh fennentalion firsl
wilh,4ruchhiot6 specie6 (ftngus) ed rhen wi$ Bfeviba.r"/ iun lawn (ba.tedaJ.
Il was also envisiged $al lhe biomass eilt be evatuacd tmugh
chemical ana!/s'! as well as $rough chick assay ro know lhe nurritionat porentiah.
The pmtein yield was enhanc.d thiouSh stuEing rhc eff@l of defauins and acid
reamenr of ii. subshte eitt. Arachriotw speci.s. Supplcmentation of growth
Dedium wilh molass€s ud @m st6p liquor was also anenpted. Optimum carbon
lo niliogen mtio and hdestinS rime wcre €srablished_ For funher enhanc.ment of
prolein esp€cially with respect 10 lysine cont€nls, ll)e growlh condilions for
B-JlavM ||rc opnn.irld. Eff@ts of supplemahlion of molass6, Btucosdgunh
and y6t sludge werc delermined and rhe optimum hsesting tine for bacrerial
tbmentadon was esiablhl.d. followinS all rhc oplimiz€d condiliom biomN was
prcparcd at ldge scale. Th. bioh6 so prcpared was subjecred lo chmic.l analysis
and biological trial broilerchick.
'n
Thc rcsrlb of rhe tnng.l fcmsralion shoeed |har def.(ing of ric.
polishings Bavo compalable biomais prctein yield wi$ undefa$€d one and was
adopred becaue ot behg cheap. Supple'nenralior of mdr$s lo lhe growth
nedium duing fisr phe of fcmenralion result.d in depNd grofih above t%