Correlation between thyroid hormone level and blood pH in cows and in their offspring.

P. Rudas, O. Szenci, G. Pethes, J. Bartyik

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Abstract

Thyroid hormone levels in the plasma and blood pH were compared in 38 newborn calves and their dams immediately at parturition, then 24 and 72 h thereafter. Both thyroid hormone levels and pH exhibit much higher variation in calves than in cows. Applying a linear model at different sampling times, a weak (r = -0.112 to -0.397) but significant (P less than 0.05) negative correlation was found between thyroid hormone levels and blood pH in calves 24 and 72 h postpartum. At birth, when no correlation was found with linear approach, a polynomial regression model showed curvilinear relationship between thyroid hormone levels and blood pH in calves. Since these correlations could not be substantiated by comparing data of different sampling times, one can conclude that the possible relationship of thyroid hormone levels and blood pH is a complex one. Revealing the underlying mechanism of the above observations requires further study.

Original languageEnglish
Pages (from-to)87-93
Number of pages7
JournalActa veterinaria Hungarica
Volume38
Issue number1-2
Publication statusPublished - 1990

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ASJC Scopus subject areas

  • veterinary(all)

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