Blood serum triiodothyronine in Karagouniko and Chios rams as affected by season in a temperate environment
Aristidis Matsoukis, Aikaterini Chronopoulou-Sereli, George Stratakos
Abstract
The current research investigated triiodothyronine concentrations in Karagouniko and Chios rams in a temperate climate zone, considering the periods January-June and July-November, characterized by a gradual increase and decrease of daylight length, respectively. The animals raised in the farm of the Artificial Insemination Center of Karditsa (39021΄18΄΄N, 21054΄19΄΄E), Greece, and the meteorological variables air temperature, relative humidity, and sunshine, as well as photoperiod, were considered for a more detailed analysis. T-tests were used to detect possible changes in the concentration of triiodothyronine in both sheep breeds and in the abovementioned meteorological variables. January-June coincided with significantly higher (P < 0.05) triiodothyronine concentrations in Karagouniko and Chios rams (0.82 ng/ml and 0.77 ng/ml, respectively) compared to July-November (0.72 ng/ml in Karagouniko and 0.67 ng/ml in Chios rams). Air temperature and sunshine followed the opposite pattern (P < 0.05). Karagouniko rams showed higher triiodothyronine concentrations than Chios rams, irrespective of the season. Our findings shed light on an important aspect of the thyroid gland function in Karagouniko and Chios sheep under temperate environmental conditions.
Keywords
References
Altin T, Yilmaz M, Kiral F, Yorulmaz E, Asici GSE (2018) Effects of the genotype and the seasons on physiological parameters related with adaptability in sheep in Mediterranean climate conditions. Veterinarija ir Zootechnika 76:3-10.
Celi P, Seren E, Celi R, Parmeggiani A, Di Trana A (2003) Relationships between blood hormonal concentrations and secondary fibre shedding in young cashmere-bearing goats at their first moult. Animal Science. doi: 10.1017/S1357729800054321
Dufourny L, Gennetay D, Martinet S, Lomet D, Caraty A (2016) The content of thyroid hormone receptor a in ewe kisspeptin neurones is not season-dependent. Journal of Neuroendocrinology. doi: 10.1111/jne.12344
Eswari S, Viswanathan S, Leela V, Nayeem M, Gajendran K (2001) Traits influencing tri-iodothyronine levels in sheep. Indian Veterinary Journal 78:1000-1002.
Gauly M, Erhardt G, Dzapo V (1997) Annual changes in serum levels of thyroid hormones in male llamas (Lama glama) and their correlation with reproduction parameters. Journal of Camel Practice and Research 4:159-163.
Gündoǧan M (2007) Seasonal variation in serum testosterone, T3 and andrological parameters of two Turkish sheep breeds. Small Ruminant Research. doi: 10.1016/j.smallrumres.2005.11.005
IZOTOP (2023) T3 [I-125] RIA KIT (REF: RK-609CT). Available: https://www.izotop.hu/wp-content/uploads/rk609CT_a_161101.pdf. Accessed on: February 16, 2023.
Kamoutsis A, Chronopoulos K, Matsoukis A (2018) Altitude and canopy cover effects on air temperature in a mountainous region of Ionian islands, Greece. Current World Environment. doi: 10.12944/CWE.13.3.03
Kantas D, Ntovolou E, Tsiligianni T, Valasi E, Goulas P (2008a) The effect of thiamizole in thyroid and ovarian activity of Karagouniko breed ewes. Journal of the Hellenic Veterinary Medical Society 59:40-45.
Kantas D, Valasi E, Tsiligianni T, Ntovolou E, Rigas G (2008b) Annual concentrations of thyroxin and progesterone in Karagouniko and Chios ewes. Journal of the Hellenic Veterinary Medical Society 59:46-51.
Kim TK (2015) T test as a parametric statistic. Korean Journal of Anesthesiology 68:540-546.
Matsoukis A, Stratakos G, Chronopoulou-Sereli A, Tsiros I (2019) Seasonal variation of wool fibre length in Karagouniko and Chios sheep in relation to meteorological factors. Emirates Journal of Food and Agriculture. doi: 10.9755/ejfa.2019.v31.i10.2020
Matsoukis A (2022) A brief review on the hand-in-hand relationship between animal agriculture and basic environmental factors. Journal of Agricultural and Food Chemical Engineering 2:16-18.
Matsoukis A, Chronopoulou-Sereli A, Stratakos G (2022a) Effect of seasonally changing aerial environment on testosterone in Karagouniko and Chios sheep. Journal of Animal Behaviour and Biometeorology. doi: 10.31893/jabb.22005
Matsoukis A, Stratakos G, Chronopoulou-Sereli A (2022b) Scrotal circumference in Karagouniko and Chios sheep in relation to the aerial environment. Journal of Animal Behaviour and Biometeorology. doi: 10.31893/jabb.22020
Matsoukis A, Stratakos G, Chronopoulou-Sereli A (2023) Seasonal variation of thyroxine concentration in Karagouniko and Chios rams in temperate environmental conditions. Journal of Animal Behaviour and Biometeorology. doi: 10.31893/jabb.23003
Matuszko D, Bartoszek K, Soroka J (2022) Relationships between sunshine duration and air temperature in Poland. Geographia Polonica. doi: 10.7163/GPol.0236
Myassar A, Bani IZ (2022) Common diseases of sheep (Ovis aries Linnaeus) and goats (Capra aegagrus hircus) in Jordan: A retrospective study (2015–2021). Open Veterinary Journal. doi: 10.5455/OVJ.2022.v12.i6.4
Rietmann SJ, Gotthold G, Franziska D (2023) The intraruminal redox potential is stabilised by opposing influences during fermentation. Journal of Animal Physiology and Animal Nutrition. doi: 10.1111/jpn.13697
Ross A, Willson VL (2017) Basic and advanced statistical tests. Sense Publishers, Rotterdam, The Netherlands.
Silva WED, Leite JHGM, Silva WSTD, Paiva RDM, Sousa JERD, Façanha DAE (2019) Seasonal variations in thermoregulatory patterns enable Morada Nova sheep to adapt to Brazilian semi-arid. Semina: Ciências Agrárias. doi: 10.5433/1679-0359.2019v40n4p1577
Starling JMC, da Silva RG, Negrão JA, Maia ASC, Bueno AR (2005) Seasonal variation of thyroid hormones and cortisol of sheep in tropical environment. Revista Brasileira de Zootecnia. doi: 10.1590/S1516-35982005000600032
Stratakos G (2015) Microclimatic conditions and reproductive physiology of sheep. Dissertation, Agricultural University of Athens, Greece.
Todini L (2007) Thyroid hormones in small ruminants: effects of endogenous, environmental and nutritional factors. Animal. doi: 10.1017/S1751731107000262
Van den Besselaar EJM, Sanchez-Lorenzo A, Wild M, Klein Tank AMG, De Laat ATJ (2015) Relationship between sunshine duration and temperature trends across Europe since the second half of the twentieth century. Journal of Geophysical Research: Atmospheres. doi: 10.1002/2015JD023640
Waner T, Nyska A (1988) Thyroxine (T4) and triiodothyronine (T3) levels in the Fischer 344 inbred rat. Laboratory Animals 22:276-280.
Yassoglou N, Tsadilas C, Kosmas C (2017) The soils of Greece. Springer International Publishing AG, Cham, Switzerland.
Submitted date:
02/22/2023
Accepted date:
03/29/2023
Facebook
Google+
Twitter
LinkedIn
Mendeley
StumbleUpon
CiteULike
Reddit
Email