Avtor/Urednik		Čebulj-Kadunc, N; Cestnik, V; Pardubsky, T
Naslov		Bioritmične spremembe koncentracij tiroksina (T-4) in trijodtironina (T-3) pri ovcah jezersko-solčavske pasme
Prevedeni naslov		Biorhythmics of thyroxine (T-4) and triiodothyronine (T-3) concentrations in Jezersko-Solčava sheep
Tip		članek
Vir		Zb Vet Fak Univ Ljublj
Vol. in št.		Letnik 31, št. 1-2
Leto izdaje		1994
Obseg		str. 19-26
Jezik		slo
Abstrakt		According to our results of circadian and seasonal biorhytmics of thyroxine (T-4) and triidothyrorine (T-3) in the blood serum of the Jeyersko-Solčava breed ewes we may conclude: 1. Changes in T-3 and T-4 concentrations are under seasonal influence. The highest mean value was determined in the winter period (December, January) and the lowest in the summer (from June to September). 2. In t-3 samples we may observe circadian changes, connested with sunrise and sunset. Thay may best be determined in the periods of long days (spring, summer). Circadian changes in t-4 concentrations are less evident. In T-3 the peak values of circadian concentrations could be expected before sunrise, at 11 a.m. and in the afternon, and in T-4 the peak values could be expected after sunrise and soon after sunset. 3. Positive correlation exists between T-3 and T-4 which is significant from early spring to early summer and in October.
Deskriptorji		SHEEP THYROXINE TRIIODOTHYRONINE CIRCADIAN RHYTHM ANIMALS, DOMESTIC RADIOIMMUNOASSAY SEASONS