Sunday, May 10, 2009

Holey Cow

.
.
Scientists call these surgically made holes, fistulas, which are covered by a canulla, a sort of cover from the outside world. They are used to test the digestibility of various cattle food, the cows are fed and as the food passes through her stomachs, scientist can just reach in and see how it is processed. Ya-ambun !
.

No comments: