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Abstract Experi:nental surgicnl resections from t he small intestine were done on forty-two dogs divided into seven groups, e ech conteining six nnimnls. Dogs of the first group, were subjected to resection of 20 percent from their smoll intestine. The precentoge of resection Was increased progressively ten per- CMt till we reached about 80 percent resection in dogs of the seventh group. Blood picture, biochemicDl changes ond the body weight were c~ried out on the normnl blood ~nd fol1cwing the reseetion up to six months. As much as sixty percent of the total small intestine in nogs moy be r en oved without fatol results. Animals usuolly return gr adunl1y to a condition of particularly normal weight and metabolism when maintained on a f’o.vourable diet and good condi tions. Resections of more than sixty percent have a eeverely lim- ited prognosis and most of these QA~l~ are .oot. liable to ret- urn to a considerably no.rme L life. The main problem associated with resections of the amall ~te8tine was the presence of severe diarrhoea and loss of oody weight, from which they gradually recover untill they retu.rn to nearly the normal condition. They re::nain t hoowever t IItre~Jely sensitive to unfavourable ocndd t Lo na ot diet and giene. |