Evaluation of Trace Elements Serum Concentrations and Their Correlation Together, and with Thyroid Hormones in Water Buffalo (Bulbalus bulbalis)

To evaluate the serum concentration of manganese, copper, iron, selenium and zinc and their correlation together and with thyroid hormones in water buffalo (Bulbalus bulbalis), the serum concentrations of manganese, copper, iron, selenium and zinc and their correlation with triiodothyronine and thyroxine hormones were measured in 100 clinically healthy water buffaloes. The mean serum concentrations of manganese, copper, iron, selenium and zinc were 1.04 ± 0.09, 9.06± 0.79, 5.5 ± 0.34, 1.44 ± 0.13 and 46.78 ± 3.82 ^mol/L, respectively. No significant differences were detected for measured microelements between the different age groups of buffaloes. Serum thyroxine had marginally significant correlations with manganese (r= 0.443, p= 0.065), selenium (r= -0.536, p= 0.072) and zinc (r= -0.358, p= 0.061). Also, Serum triiodothyronine had marginally significant correlations with zinc (r= -0.362, p= 0.058). Serum iron had significant correlations with copper (r= 0.21, p=0.045), zinc (r= 0.35, p<0.001) and had a marginally significant correlation with selenium (r= -0.227, p=0.069). Also, serum zinc had significant correlations with copper (r= 0.248, p=0.016) and selenium (r= -0.251, p=0.042)