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Carbonic anhydrase and its isozymes in heat stressed white Leghorn hens.

Authors
Type
Published Article
Journal
Archiv für experimentelle Veterinärmedizin
Publication Date
Volume
44
Issue
3
Pages
383–388
Identifiers
PMID: 2122871
Source
Medline
License
Unknown

Abstract

Experiments were conducted to study the effect of heat stress on uterine tissue carbonic anhydrase levels and their isozyme patterns in relation to production of no- and thin-shelled eggs. Birds exposed to naturally occurring heat stress had lower enzyme levels in their uteri than birds kept in an air-conditioned pen. 4 isozyme bands of carbonic anhydrase were visible in uterine tissue homogenate from both groups of birds. Isozymes were suppressed in heat-stressed birds, as was evident from staining intensities of the bands. This provided evidence to the effect that heat stress not only decreased the total quantity of carbonic anhydrase in the uteri of the hens but also suppressed its isozyme fractions, leading to greater production of no-shell and thin-shelled eggs.

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