Determination of plasma norepinephrine and epinephrine in dairy cows and swamp buffaloes (Bubalus bubalis) using high performance liquid chromatography with electrochemical detection
2004
Sarinee Kalandakanond(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences. Department of Veterinary Physiology) | Siripen Komolvanich(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences. Department of Veterinary Physiology) | Sutthasinee Poonyachoti(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences. Department of Veterinary Physiology) | Chollada Buranakarl(Chulalongkorn University, Bangkok (Thailand). Faculty of Veterinary Sciences. Department of Veterinary Physiology)
In the present study, we report on the level of norepinephrine and epinephrine in healthy cattle, using high-performance liquid chromatography with an electrochemical detector (HPLC-EC). Sixteen crossbred Holstein dairy cows (GT 87.5 percent Holstein) and fifteen swamp buffaloes (Bubalus bubalis), which included both sexes, were included. In the dairy cows, the plasma norepinephrine and epinephrine concentrations (mean+-SE) were 3.89+-0.51 nM and 0.82+-0.12 nM, respectively. The concentrations of plasma norepinephrine and epinephrine in buffaloes (mean+-SE) were 3.75+-0.51 and 1.82+-0.45 nM, respectively.
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