the effect of mercury on thyroid function in sheep

Authors

khalil badiei

khodadad mostaghni

pegah nikghadam

mehrdad poorjafar

abstract

the purpose of this experiment was to determine the effect of long-term low-dose administration of mercury (hg) on thyroid function in sheep. in this experiment, 10 clinically healthy, adult, male iranian sheep, aged approximately 1 year, were randomly allocated into the control (n=5) and mercury (hg-)-treated (n=5) groups. both groups were kept under identical conditions in terms of food and environment. the treatment group received mercuric chloride (5 mg/kg/day) orally for eight weeks. blood samples were drawn between the hours of 0800 and 0900 from both groups on days 0, 14, 28, 42, 56 and 70. thyroid function was evaluated by measuring the levels of the serum thyroid hormones, including triiodothyronine (t3), thyroxine (t4), free t3 (ft3), free t4 (ft4) and thyroid-stimulating hormone (tsh). hepatic function was evaluated in both groups by measuring alanine aminotransferase (alt), aspartate aminotransferase (ast), ?-glutamyltransferase (ggt) and total bilirubin (tbil). renal function was assessed using serum creatinine (cr) and blood urea nitrogen (bun) levels. serum t3 (from day 28 onwards) and serum t4, ft3, ft4 and tsh (from day 14 onwards) decreased in the hg-treated group (p

Upgrade to premium to download articles

Sign up to access the full text

Already have an account?login

similar resources

The effect of mercury on thyroid function in sheep

The purpose of this experiment was to determine the effect of long-term low-dose administration of mercury (Hg) on thyroid function in sheep. In this experiment, 10 clinically healthy, adult, male Iranian sheep, aged approximately 1 year, were randomly allocated into the control (n=5) and mercury (Hg-)-treated (n=5) groups. Both groups were kept under identical conditions in terms of food and e...

full text

the effect of e-64 on the developmental competence of sheep cocs during in vitro maturation

in the present study, the effect of e-64 at different concentrations (0.5, 1, 5 and 10 µm) added to (1) the ivm medium on oocyte nuclear maturation and developmental competence of ovine oocytes, and (2) to the ivc medium on embryonic development of ovine embryos were investigated.

: the effect of sericin levels (silk glue protein) on rate of in vitro maturation, fertilization and culture of sheep oocytes

هدف از آزمایش اول بررسی اثر سطوح مختلف سریسین [0 (control), 0.1, 0.5, 1.0, 2.5 %] افزوده شده به محیط , ivm بر cumulus cell expansion، بلوغ هسته و توسعه متوالی جنین، در گوسفندان نژاد سنجابی در فصل تولید مثلی می باشد. از سرگیری میوز به وسیله خارج شدن اولین پولار بادی اندازه گیری و هم چنین درصد رسیدن جنین های دو سلولی به مرحله کلیواژ و بلاستوسیت نیز به عنوان نشانه ای از میزان شایستگی توسعه اولیه ج...

Effect of lead on thyroid function in sheep

The objective of this experiment was to determine the effect of long-term low-dose administration of lead (Pb) on thyroid function in sheep. In this experiment 10 healthy Iranian male sheep, aged about oneyear- old were randomly allocated into two equal groups of control (n = 5) and experiment (n = 5). Both groups were kept under the same conditions of food and environment. The treatment group ...

full text

the washback effect of discretepoint vs. integrative tests on the retention of content in knowledge tests

در این پایان نامه تاثیر دو نوع تست جزیی نگر و کلی نگر بر به یادسپاری محتوا ارزیابی شده که نتایج نشان دهندهکارایی تستهای کلی نگر بیشتر از سایر آزمونها است

15 صفحه اول

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

My Resources

Save resource for easier access later


Journal title:
iranian journal of veterinary medicine

Publisher: دانشگاه تهران

ISSN 2251-8894

volume 4

issue 4 2010

Keywords

Hosted on Doprax cloud platform doprax.com

copyright © 2015-2023