The blood biochemical parameters were investigated in a yak (Bos grunniens L) after intravenous administration of 5 mg/kg enrofloxacin. Blood samples were collected from the jugular vein daily for 5 days after the drug administration. Heparinized bloods were collected for mean corpuscular volume (MCV), erythrocyte sedimentation rate (ESR), hemoglubin (Hb) estimation and...

I review here key research in the early years of the field of blood chemistry. The review includes successes and limitations of animal chemistry in the critical period of the eighteenth and nineteenth centuries. Eighteenth century medical theories emphasized the primacy of body solids. Body fluids were governed by the tenets of humoral pathology. After Boerhaave sparked interest in the chemistr...