Effect of albuterol on oxygen uptake and Na+-K+ ATPase activity of jejunal epithelia and liver in chickens.

Abstract:

:Changes in metabolic characteristics of the liver and jejunal epithelia as a result of feeding the beta-agonist albuterol to chickens for 3 and 6 weeks were studied. Feeding albuterol resulted in a change in weights of the liver and small intestines. Chickens fed albuterol for 6 weeks had greater levels of plasma nonesterified fatty acids than those fed the control diet. Oxygen uptake by liver and jejunal epithelial tissues were 25 and 26% greater for chickens fed the diet with albuterol than for those fed the control diet, respectively. No changes in Na+-K+ ATPase activity of both liver and jejunal epithelia were detected as a result of feeding albuterol. These findings indicate that certain beta-agonists may elevate thermogenesis in chickens as a result of increasing metabolic rates of splanchnic tissues. However, the changes resulting in altering oxygen uptake in liver and jejunal epithelia due to feeding albuterol were not associated with Na+-K+ ATPase activity.

authors

Rompala RE,Darre MJ

doi

10.1139/y89-069

subject

Has Abstract

pub_date

1989-05-01 00:00:00

pages

431-4

issue

5

eissn

0008-4212

issn

1205-7541

journal_volume

67

pub_type

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