.


:




:

































 

 

 

 





() , . , . , . - , . (Van Soest. 1965b; Van Soest and Mason. 1991). 6()" . (Van Soest. 1965b). - (Van Soest and Mason, 199 1). (Thomas et al., 1982). Nakamura et al.,(1994), , . , () , , in vivo. (Weiss et al., 1986) , .

, , (Van Soest, 1983). () ( ), ( ) . (Jung et al., 1997). , (Theander and Wester!und. 1986). ( , ) ,


. 13.


(Lowery el al., 1994). - , 30% (Jung 1997). Hatfield et al.,(1994) , , . , - , , (Lowery et al., 1994). (1973), , . , , , (Van Soest et al.,1991). , 72% , , . Jung . (1997) 72% , . 36 , , 4 . , . . , , , , . . in vivo in vitro . , , . . , .

() , , Smith (1981) ( ) . Salo-monsson et al., (1984), Herre-Saldana et al., (1990). . , - ( Aspergillis oryzae), 30 , -. (Nocek, 1991). ' -


, . Smith (1981) . ( , ), . 4-1 , .

, (77% ; 66 82%). (72% , 65 80%) (57% ; 55 75%) (58% ; 45 69%) (Nocek Tamminga, 199 1; Huntmgton, 1994). (35% or ) . 32% 22% . 2,07 20%; , 2,5 27% (Nocek and Tamminga, 1991).

- (Nordin and Campling. 1976). 10% 48 in situ, (McAllister et a!.. 1990). , in situ 60% 24 . NaOH (30--40 NaOH ) (Orskov and Greenhalgh, 1977). , NaOH, ( NaOH); - (McNivenetal.,1995). , , , , , . 30% NaOH (McNiven et al., 1995). , , 10- (Bettenay. 1980), , , NaOH (McNiven et al.,1995). , (Kennely et al.. 1988;


28



Christen et al., 1996). (t 135175) , (Robinson and Me Niven, 1994; Me Niven et al., 1995). , , , , , , (Robinson and Me Niven, 1994).

() . , , 25% (Clark et al., 1975) ( et al.. 1973). 4-6% , ( et al.,1973); Knowlton et al.,1996; Wilkerson et al.,1997). , 7-10%, (Knowlton et al.,1996; Wilkerson et al.,1997). , , . , , 44% - , 6065% , (Cerneau and Michalet-Doreau, 1991; Lycos et al.,1997).

- , ' , , . 0-4% ( et al.,1973; Wilkerson et al., 1997). (35 /) 3.5-6.0% , (Mitzner et al., 1994; Knowlton et al.,1996; Wilkerson et al.,1997). . , , 6% , , ( 15-1). (Joy et al.,1997; Crocker et al., 1998; Yu et al., 1998). Plascenicia and Zinn (1996)


15% , . , . 10 - 20%, (Plascenicia and Zinn, 1996; Joy et al., 1997; Cracker et al., 1998; Yu et al., 1998; Dann et al., 1 999). , (Chen et al., 1994; Plascencia and Zinn, 1996; Joy et al.,1997; Yu et al.,1998). , , . , , . . , , 0,36 / (50 ' 100 ).

, , 4,5% , (Chen et al., 1994; Plascenicia and Zinn, 1996; Joy et al.,1997; Yu et al.,1998; Dann et al., 1999). . , , . , , 11% , , , 4% , (. 15-1). Theurer et al., (1999) , 18% , . , . , 2-3 (Prigge et al., 1976). , , - . , 9% , , (Tyrrell and Varga, 1987; Wilkerson etal., 1997). ( ) <1% (McCaiiree and Merrill. 1968; Tyrrell and Varga. 1987). 5% .


282


. 13.


(Ekinci and Broderic. 1997; Wilkerson et al.,1997). , , 5% , (Tyrrell and Varga, 1987; Wilkerson et al.,1997). , 12-13% . , 13% , . , 32% , (Wilkerson et al., 1997). ') , . 15 - 25% (Aldrich et al.,1993; Knowlton et al.,1998). , , ; , .

(lark (1975), , (17 /) (20i/) . (Lykos et al., 1997; Wilkerson et al., 1997) , 5% . (Dhiman and Satter, 1995), , , , ( ) 6% 3,5% (34,2 32,2 /) , . , Knowton et al.,(1998) , (23,5 /), (35 ) , . , , Wilkerson et al.,] 997). , , , , 7% , , . , 11% , ( 15-1).


, (35% ) , , 10% , , , (Harrison et al., 1996; Bal et al.,1997). (, ) , , 6% (Bal et al., 1998; Weiss and Wyatt, 2000; Bal et al., 2000). (27%) ) 7%, , - . (Jonson et al., 1998). 8%, , , (Weiss and Wyatt, 2000). (Bal et al.,1998; Bal et al.,2000; Weiss and Wyatt, 2000). - , .

90%> 1 00% 4- in situ (Herrera-Saldana el al., 1990). 25% , (,1986). .

(Nordin and Campling, 1976). 7-18% , (Oliveira et al.,1993) (Herrera-Saldana and Huber, 1989) . , , , 2% , , , . (Mitzner et al.,1994).


28


BCJ9BXM0 I -9


VMaviDiqg KVHHTvmiqwoduodJV -8



, () , . , 8% (Chen etal, 1994; Santos et al., 1997a; Simas et al., 1998). 27% (Moore etal., 1992), . 98%. , (More etal., 1992; Chen etal.,1994; Santos etal., 1997a; Simas etal., 1998). , , . 0,36 / (Chen et al., 1 994; Plascencia and Zinn, 1996; Santos et al.,1997a; Santos et al.,1997b). ( 0,3 /) (Moore et al., 1992; Santos et al., 1997a). ( 4% /), 10%, (Moore et al., 1992; Chen et al., 1994; Santos et al., 1997a; Simas et al., 1998). , 13% , . , , , 4% ( ). ( , - ) 9% , , ( 15-1). , (16%), Theurer et al., 1999).

. in situ , , (McAllister et al., 1990). 33% , 30%, , (Nordin and Campling, 1976). 88%, 41%. , , .

284


(30 /) 33% - (Faldet et al,, 1989). .





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