Variation in serum calcium, inorganic phosphorus and magnesium concentration in relation to age, season and genetic groups in sheep

Variation in macrominerals viz., calcium, inorganic phosphorus and magnesium in serum were studied at six and twelve months age, during winter and summer seasons in different crosses of Patanwadi with Merino and Rambouillet. The serum calcium did not vary significantly between the genetic groups, age and seasons. Variation in inorganic phosphorus and magnesium levels were found to be significantly affected by genetic groups. Significantly high concentration of Pi and Mg was recorded at six months of age. Pi and Mg levels were higher in winter season.