Role of seasonal changes on serum ghrelin and lipid profile in Turkish Awassi Rams
2017
Ali, Sabreen. M. Mohammed | Al-Ani, Ahmad .A. | AL-Azawi, Tahani .S.
The present study was designed to investigate the role of sesonality changes on some physiological aspect of Ghrelin , lipid profile and their relation to body weight.Ten adult Turkish Awassi rams (1.2-1.3 years in age) and bodies weights ranged (45-58kg) were used in this study , which lasted from the beginning of January 2016 to the end of October 2016. Body weights of each individual ram were taken for each ten days. Blood samples were collected every ten days along the experiment at fasting and feeding states . and then blood samples was collected one hour after feeding for the same ten adult rams(considered feeding state). Ghrelin , cholesterol, triglycerids ,HDL-C,LDL-C,VLDL-C concentrations were estimated . The environmental temperature was measured by using special thermometer every day along experimental peroid. The results of this study revealed a significant increase in ghrelin hormone,cholesterol, triglyceride,HDL-C,and VLDL-C concentrations ,specially at Winter and Spring seasons in Turkish awassi rams serum at fasting state as compared to feeding .Additionally , the concentration of LDL-C shows a significant decrease during feeding state. The correlation coefficient between studies parameters indicated that ghrelin has a positive significant correlation with Cholesterol, Triglyceride, HDL-C and VLDL-C levelin rams serum. On the other hand , the environmental temperature seems to has a highly negative significant(p≤0.01) correlation with serum levels of cholesterol, Triglyceride ,HDL-c,LDL-c and VLDL-c So we concluded the positive relationship between the ghrelin hormone and parameters related to lipid profiles and nagativelly relationship between environmental temperature and lipid profile under the effect of seasonality in the Turkish awassi rams.
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