Histometric and biochemical parameters of thyroid gland in sheep with high iodine supplementation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12220%2F13%3A43886061" target="_blank" >RIV/60076658:12220/13:43886061 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.2754/avb201382040405" target="_blank" >http://dx.doi.org/10.2754/avb201382040405</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.2754/avb201382040405" target="_blank" >10.2754/avb201382040405</a>

Result language
angličtina
Original language name
Histometric and biochemical parameters of thyroid gland in sheep with high iodine supplementation
Original language description
The aim of this study was to evaluate long-term (11 months) histometric parameters of thyroid gland of gimmers and ewes burdened with high-dose administration of iodine in feed. Two groups of ewes and both gimmers of Sumava mountain sheep were studied. There were six animals in each group. The feed for the two A group was supplemented by 3 mg iodine/kg of dry matter, while the two B group were given 5 mg iodine/kg dry matter. The iodine in the form of calcium iodide was contained in feed mineral supplement. The ewes were gradually carrying, lambing, lactating and finally remained barren. For both B groups significant changes in histometric parameter of thyroid gland appeared: higher percentage of large and medium follicles with increase both in heightand width and lower follicular cells. Normal or lower content of triiodothyronine and thyroxine, lower content of their free fractions and bordering or elevated concentrations of thyroid-stimulating hormone in blood serum of all four test
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
GG - Zootechnics
OECD FORD branch
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Project
<a href="/en/project/QH81105" target="_blank" >QH81105: Patophysiological Effects Owing to Alimentary Iodine Excess in Cattle and Sheep.</a><br>
Continuities
S - Specificky vyzkum na vysokych skolach

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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