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Strain differences in faecal tryptic activity of germ-free and conventional rats |
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| Authors: | K E Norin B E Gustafsson T Midtvedt |
| Abstract: | Regardless of diet (semi-synthetic or lab chow) or strain (AGUS or SD), germ-free rats have tryptic activity in their faeces, whereas conventional rats never do. The activity in faeces from germ-free AGUS rats was significantly higher than from SD rats. |
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