Basic Digestive Systems

Ac c or dingly feed in the hor se tends to a r r a

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Unformatted text preview: degr ee of musc ula r a c tivity a s other non- r umina nts. Ac c or dingly, feed in the hor se tends to a r r a nge itself in la yer s - ma king hor ses mor e susc eptible to stoma c h disor der s like c olic . The F unc tiona l Cec um Hor ses a nd r a bbits a r e c olloquia lly c a lled "ha y- bur ner s" - a nima ls tha t use ba c ter ia l fer menta tion in the c ec um instea d of the stoma c h. Like r umina nts ba c ter ia l fer menta tion pr oduc es VF A' s tha t a r e a n ener gy sour c e a nd a bsor bed thr ough the wa ll of the la r ge intestine a nd the c ec um. These ba c ter ia a lso synthesiz e wa ter soluble vita mins a s in r umina nts. B ut, even though ther e is pr otein synthesis by ba c ter ia but it is N OT a bsor ba ble bec a use of the la c k of enz ymes a nd a bsor ptive pr oc esses in the la r ge intestine - a ll tha t "ma c hiner y" is in the sma ll intestine. Hor ses a nd Ra bbits pr a c tic e c opr opha gy - the ea ting of fec es. This a llows the a nima l to ta ke better a dva nta ge of the pr oduc ts of ba c ter ia l fer menta tion. Of c our se, this r a ises the r isk of ingesting inter na l pa r a sites. Ca pa c ities (in qua r ts) of the Digestive System of Selec ted Spec ies Swine Ca ttle Sheep/Goa t 80 to 192 25 Retic ulum 4 to 12 2 Oma sum 8 to 20 1 Aboma sum...
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This document was uploaded on 01/24/2014.

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