| Summary: | The Thyroid hormone is a hormone that have functions to control the
growth, differentiation and metabolism of virtually all somatic tissues. Abnormal
levels of thyroid hormone will cause infertility or reduced reproductive function.
One of speculated roles of thyroid hormones curently under review is the direct
regulation of steriodogenesis within the ovarian follicular cells by the hormone.
The aims of the study to determine the ratio hormones of T4 and T3 in bovines
follicular fluid and serum. This study used five beef cattles that have small
ovarian follicles (< 5 mm) to be cut in Rumah Pemotongan Hewan Giwangan.
Blood samples were taken from the jugular vein before the cattles were cut and
small follicular fluid samples taken after the cattles ware cut then examined using
a commercial ELISA kit for each samples. The results of the study showed that
the ratio of hormones T4 and T3 in follicular fluid 10.74 ± 2.00 μg/ml, whereas
the ratio of hormones T4 and T3 in serum 16.71 ± 3.57 μg/ml. Results of
statistical analysis showed that there were significant differences between the
average ratio of hormones T4 and T3 in follicular fluid of small ovarian follicles
and serum of beef cattles, so it can be concluded that ratio of T4 and T3 in the
blood serum can not to be used as a parameter to the ratio of T4 and T3 in
follicular fluid of small ovarian follicles.
Keywords : follicular fluid of small ovarian follicles, beef cattle, serum, ratio,
thyroxine, triiodothyronine.
|
|---|