.


:




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(Heinrichs and Losinger, 1998) (Hoffman. 1997; Kertz et al.,1998; Lammers et al., 1999), , : 1) () , , 2) , . (Garrett et al.,1959). Simpfendorfer (1974) , 95.6-98.9"


26



. , , , (NRC, 1996). , (NRC, 1996). (NRC, 1984. 1989. 1996) , Garrett el at.,{1980) . 72 3500 , , , I960 1980 ., . () , . ( ), ( ) ( ), (NRC, 1996). - , , , (NRC, 1996). , : 1984 . / (NRC, 1984) 1989 . . (NRC, 1989), , (NRC, 1996). ( ) (CSIRO, 1990), . , , 25% , () 3-5 . , CSIRO (1990).

Oltjen et al..(1986) , , . , , , . , . , INRA (1989). , , , , .

262


INRA i ի , (), i INRA i , (Taylor, 1968} 7-mi , 2- 2- ; 2- : . , " , 1.= (18). : , ■ : , (Garrett. 1987S 400 ; , 680 . -; , , !!: , ] . (NRC, 1989) , ■ , . , . , ;1 NRC (1 996) , Fox et al.,(1992), i Tylutki et al.,(1994). , (-11-1 11-2), . , (Fox etal..(1999). CSIRO (1990) INR,-(1989), , . ! (NRC, 1996) , i CSIRO (1990).

Garrett (1980) 1 1-2 1 1-5, : . ' oi.i.i : ) ! (Garrett, 1980). ) : -NRC (NRC. 19X 1989, 1996) ) (Fox et al..(1999). 11-2 11-5.


. .


       
   
 
 

(11-1)

- 478/)

(11-2)

). - 0.0635 \ ''1^

') ( ), ( ), ( ) = 0.891 , ( ) = 0.956 .

, , . , , , 478 . 11-2, (NRC, 1996) . , , , 478 ki"(NRC, 1996). 1 1 -2 . , (11)677 650 . 11-1. (478/650) , , 73.5% . , 300 (313 ) 650 (677 ), 300 (478/650) = 221 . (221 0.891 = 197 ) 11-2 . 300 800 , 300 (478/800) = 179 , = 15) . , 300 400 . 300 478/400 ^1-) . = 320 Ki, I 1-2 . ipn (300 ), 75% , , 46 38% . 11-2 0.7 ( = 0.7 0.956 = 0.669), , (3.09, 2.15 1.83


, ). Fox et a 1..(1999) , .

, ( ) (NRC, 1984. 1996):

(11-3)

, /) = (268 - (29.4 (/)))

, 11-3 , . :

= / (0.834 - ( 0.00114))

> 478 , = 478 (11 -4)

, . () , Garrett (1980) ( 1 1-5) :

(11-5)

= 13.91 0""6 0(lS"

1 1-3 , . 11 -4 , , , .





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