t-,/rrr',r47c

87
candido utilis and ewn dqty linc (l6ho!6) 3 opti'num for supplc'ncnt rion
ol0 75%oo(r st co liduor.
8. Determination of Optimum Harvesting Time
In rhe prese cxpsiment an attempt w8s mlde to ass lhc ol,rimum
h vcstirg li,ne. Tlrc alcrutc lruc protcio values oflhe bioma$ harvcslcd al three
dii&.€nl ttu€ periods i.e., 72, 84 and 96 hou6 are pr.s.nted in Tabl€ 5. I1t data
werc stalistically anallz€d and the an.lysis of vari.nc€ of the data h$ be€n shown
in Appendix XIII. The rcsulls rcvaled non siSnificanl diffd€nce in thc mean rrue
protein values of lhe biomss harvested .l diflerenl line pe ods The hiehesl
biomass prctein yield was obsened al 72 houB. Tlh lime period w.s thecfore
considercd &s the optimlm fo. tungal8rc*1h.
Similarly hwesdtrg ti'rc fo. mdimun biomas prct.in yi€ld hs
been reporred fo. olher sp€li€s of'€ast and tunei (Foda.r al., l9?3 ; Reade and
crcsory, t9?5 ! PciteBen, l9?5 ; volfova er 4l, l9?9 i Gar8 ed N€elaletan,
l9E2 i Sandhu ud Waraich, 1983 and Abdullah €/ al, 1985). UsinS ,{/oc}'ior"r
v..ier as f€rmentative organism Mahmood et al (1990) also repod€d 72 hours a5
rhe op(imum harvesling lime. The period of f€rmentation vades with r€spect to kind
of org.nism, numbs of organisns, kind of substratc and fmentatiot conditions.
Le e/ al (19?9) obtaincd maximum c€ll mss yield nner 48 hours ot fementation
using Crlllonotras (c€llulosic bacteria), whereas YoSo er,/. (1976) and Alb€no
sd D Soua (19E0) obraincd mdimum biomss yi.ld throu8h fm.trlaion u5in8
rwo dillcEnt y6t specis. As re8.rds ih. kind ofslbstrtt HM.t al. (1997)wh.n
fement.d poullry fa€6 wilh . ye$t obtsined m.ximum @ll growth sRer 36
houB. Rcade md Gresory (1975) forhd 20 hou6 a! n.ximum linc for conv.Fion
of cassava Mls (a starchy lropical rcot crop) into sinSle ell protcin. The
synsgis$c etl€ct belween two organisms promote thc Ere of femcntalion ad
hence rcduce lim€ of maximun yield. Fuska dd Kallarova (1977) obsencd 52