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Short-Term Study
Body Weights
Study Information:
Chemical Name: | Cobalt |
CASRN: | ="7440-48-4" |
Study Number: | C60311 |
Exposure Route: | RESPIRATORY EXPOSURE WHOLE BODY |
TDMS Number: | 6031101 |
Sex: | Male |
Strain and Species: | F 344/N Rats |
Animal Number |
Cage Number |
Dose Group |
Days On Study |
Week 1 |
Week 2 |
Week 3 |
Removal Reason |
1 |
1 |
Vehicle Control |
16 |
111.9 |
134.7 |
134.4 |
Terminal Sacrifice |
2 |
1 |
Vehicle Control |
16 |
119.2 |
143.3 |
146.9 |
Terminal Sacrifice |
3 |
1 |
Vehicle Control |
16 |
118.8 |
146 |
146.3 |
Terminal Sacrifice |
4 |
1 |
Vehicle Control |
16 |
116.3 |
141 |
142 |
Terminal Sacrifice |
5 |
1 |
Vehicle Control |
16 |
129.5 |
151.9 |
148.4 |
Terminal Sacrifice |
201 |
3 |
2.5MG/M3 |
16 |
117 |
145.8 |
150 |
Terminal Sacrifice |
202 |
3 |
2.5MG/M3 |
16 |
115.4 |
138.5 |
138.9 |
Terminal Sacrifice |
203 |
3 |
2.5MG/M3 |
16 |
120.6 |
141.5 |
147.7 |
Terminal Sacrifice |
204 |
3 |
2.5MG/M3 |
16 |
108.6 |
136.5 |
143.3 |
Terminal Sacrifice |
205 |
3 |
2.5MG/M3 |
16 |
111.7 |
137.7 |
140.6 |
Terminal Sacrifice |
401 |
5 |
5MG/M3 |
16 |
99.3 |
134.5 |
141.3 |
Terminal Sacrifice |
402 |
5 |
5MG/M3 |
16 |
98 |
135.4 |
137.3 |
Terminal Sacrifice |
403 |
5 |
5MG/M3 |
16 |
99.5 |
131.2 |
130.9 |
Terminal Sacrifice |
404 |
5 |
5MG/M3 |
16 |
120.9 |
151.1 |
152.3 |
Terminal Sacrifice |
405 |
5 |
5MG/M3 |
16 |
106.2 |
135.5 |
137.2 |
Terminal Sacrifice |
601 |
7 |
10MG/M3 |
16 |
76.1 |
99.4 |
104.1 |
Terminal Sacrifice |
602 |
7 |
10MG/M3 |
16 |
78.5 |
100.2 |
104.6 |
Terminal Sacrifice |
603 |
7 |
10MG/M3 |
16 |
83.3 |
105.7 |
110.1 |
Terminal Sacrifice |
604 |
7 |
10MG/M3 |
16 |
80.9 |
112.5 |
120 |
Terminal Sacrifice |
605 |
7 |
10MG/M3 |
16 |
95.9 |
129.9 |
134.5 |
Terminal Sacrifice |
801 |
9 |
20MG/M3 |
5 |
80.8 |
|
|
Natural Death |
802 |
9 |
20MG/M3 |
5 |
79.1 |
|
|
Natural Death |
803 |
9 |
20MG/M3 |
9 |
74.3 |
65 |
|
Natural Death |
804 |
9 |
20MG/M3 |
5 |
72.9 |
|
|
Natural Death |
805 |
9 |
20MG/M3 |
13 |
73.4 |
62.6 |
|
Moribund Sacrifice |
1001 |
11 |
40MG/M3 |
5 |
73.3 |
|
|
Natural Death |
1002 |
11 |
40MG/M3 |
7 |
67.3 |
|
|
Natural Death |
1003 |
11 |
40MG/M3 |
6 |
85.1 |
|
|
Natural Death |
1004 |
11 |
40MG/M3 |
6 |
76.8 |
|
|
Natural Death |
1005 |
11 |
40MG/M3 |
7 |
65.7 |
|
|
Natural Death |
* All body weights in grams