HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Fries, G. F. Articles by Conner, G. H. Search for Related Content PubMed Articles by Fries, G. F. Articles by Conner, G. H.

Observations on the Absorption of Glucose into the Portal Vein¹

Michigan State University, East Lansing

ABSTRACT

Studies in sheep have shown that arterio-portal glucose differences are practically nil, indicating that glucose is of little importance as an end product of carbohydrate digestion (1, 8). However, limited data presented in this paper indicate that it may be of importance under some conditions.

A 500-lb. Holstein calf in which a portal vein cannula and an exteriorized carotid artery had been established (3) was used. The portal cannula was established with the tip resting in the porta hepatis. However, at autopsy, the tip was located immediately posterior to the gastrosplenic vein and conclusive evidence has been obtained indicating that it was in this position when these studies were conducted (3). Therefore, the portal data represent only the blood draining the intestines.

Two experiments were conducted using each of two rations—2.5 lb. corn and 8.0 lb. alfalfa hay or 2.5 lb. corn and 8.0 lb. timothy hay. Half of the ration was fed twice daily.

¹ Published with the approval of the Director of the Michigan Agricultural Experiment Station as Journal Article No. 2522.

² Present address: Dairy Cattle Research Branch, USDA, Montana State College, Bozeman.