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The experimental test groups chosen and the minimum number of animals per group to be used are shown in the following table:

 

Group

% of daily dietary intake (w/w)

No. of animals

 

Chronic toxicity

Carcinogenicity

Isogenic non-
GM (NK603)

NK603

NK603 +
Roundup

Males

Females

Males

Females

1

33

0

0

20

20

50

50

2

22

11

0

20

20

50

50

3

0

33

0

20

20

50

50

4

22

0

11

20

20

50

50

5

0

0

33

20

20

50

50

Total

 

100

100

250

250

 

The data to be obtained will be compared with background data on variations in endpoint values for Wistar Han Rcc rats fed a standard lab chow from Harlan Inc. present in the public domain (http://webapps.harlan.com/wistarhannover).

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