THE VARIATION OF TRIIODOTHYRONINE (T 3) LEVEL IN MILKING COWS EXPOSED TO DIRECT SOLAR RADIATION

Very hot summers, during the last years, with intense solar radiation, determined us to study the effect of this radiation on milking cows. In the paper we have determined the level of triiodothyronine (T3), thyroid hormone, which varies in the case of cow’s organism exposure to heat stress. The det...

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Main Authors: D PUSTA, A ODAGIU, A ERSEK, I PAŞCA
Format: Article
Language:Bulgarian
Published: University of Zagreb, Faculty of Agriculture 2004-04-01
Series:Journal of Central European Agriculture
Subjects:
Online Access:http://jcea.agr.hr/articles/150_THE_VARIATION_OF_TRIIODOTHYRONINE_(T_3)_LEVEL_IN_MILKING_COWS_EXPOSED_TO_DIRECT_SOLAR_RADIATION_en.pdf
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author D PUSTA
A ODAGIU
A ERSEK
I PAŞCA
author_facet D PUSTA
A ODAGIU
A ERSEK
I PAŞCA
author_sort D PUSTA
collection DOAJ
description Very hot summers, during the last years, with intense solar radiation, determined us to study the effect of this radiation on milking cows. In the paper we have determined the level of triiodothyronine (T3), thyroid hormone, which varies in the case of cow’s organism exposure to heat stress. The determinations were made on two groups of ten milking cows per each, one group maintained in the stable for all the period and another on the pasture during the days with intense solar radiation. The determinations were made using RIA method, in Endocrinology Clinic in Cluj-Npoca, using the serum obtained from the blood drawn in the morning and evening. The results show a significant decrease of the triiodothyronine level in cow’s expose to direct solar radiation. These results are concordant with those in the literature.
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spelling doaj.art-49c93d866a824b768130ca1dd0013e062022-12-22T01:11:46ZbulUniversity of Zagreb, Faculty of AgricultureJournal of Central European Agriculture1332-90492004-04-0144307312THE VARIATION OF TRIIODOTHYRONINE (T 3) LEVEL IN MILKING COWS EXPOSED TO DIRECT SOLAR RADIATIOND PUSTAA ODAGIUA ERSEKI PAŞCAVery hot summers, during the last years, with intense solar radiation, determined us to study the effect of this radiation on milking cows. In the paper we have determined the level of triiodothyronine (T3), thyroid hormone, which varies in the case of cow’s organism exposure to heat stress. The determinations were made on two groups of ten milking cows per each, one group maintained in the stable for all the period and another on the pasture during the days with intense solar radiation. The determinations were made using RIA method, in Endocrinology Clinic in Cluj-Npoca, using the serum obtained from the blood drawn in the morning and evening. The results show a significant decrease of the triiodothyronine level in cow’s expose to direct solar radiation. These results are concordant with those in the literature.http://jcea.agr.hr/articles/150_THE_VARIATION_OF_TRIIODOTHYRONINE_(T_3)_LEVEL_IN_MILKING_COWS_EXPOSED_TO_DIRECT_SOLAR_RADIATION_en.pdftriiodothyronine (t3)cowssolar radiationria test
spellingShingle D PUSTA
A ODAGIU
A ERSEK
I PAŞCA
THE VARIATION OF TRIIODOTHYRONINE (T 3) LEVEL IN MILKING COWS EXPOSED TO DIRECT SOLAR RADIATION
Journal of Central European Agriculture
triiodothyronine (t3)
cows
solar radiation
ria test
title THE VARIATION OF TRIIODOTHYRONINE (T 3) LEVEL IN MILKING COWS EXPOSED TO DIRECT SOLAR RADIATION
title_full THE VARIATION OF TRIIODOTHYRONINE (T 3) LEVEL IN MILKING COWS EXPOSED TO DIRECT SOLAR RADIATION
title_fullStr THE VARIATION OF TRIIODOTHYRONINE (T 3) LEVEL IN MILKING COWS EXPOSED TO DIRECT SOLAR RADIATION
title_full_unstemmed THE VARIATION OF TRIIODOTHYRONINE (T 3) LEVEL IN MILKING COWS EXPOSED TO DIRECT SOLAR RADIATION
title_short THE VARIATION OF TRIIODOTHYRONINE (T 3) LEVEL IN MILKING COWS EXPOSED TO DIRECT SOLAR RADIATION
title_sort variation of triiodothyronine t 3 level in milking cows exposed to direct solar radiation
topic triiodothyronine (t3)
cows
solar radiation
ria test
url http://jcea.agr.hr/articles/150_THE_VARIATION_OF_TRIIODOTHYRONINE_(T_3)_LEVEL_IN_MILKING_COWS_EXPOSED_TO_DIRECT_SOLAR_RADIATION_en.pdf
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