Relationship between trace mineral content of soil, fodder and animals of different ages and stages of lactation
2003
Kumar, A. | Singh, C. | Singh, A.P. (Rajendra Agricultural University, Patna (India))
An experiment was conducted to estimate the trace minerals in soil, fodder and in blood plasma of animals fed the fodders having known concentration of trace minerals with a view to study the relation between trace mineral content of soil and fodder with trace minerals contents in blood plasma of the crossbred heifers and cows. Twelve different samples of fodder (Sorghum) and soil (from root zone of fodder sample) as well as blood plasma of 6 non-cycling crossbred ((FriesianxHariana) heifers of each age group of 10 to 13 months, 18 to 21 months and 27 to 30 months, cycling heifers and cycling lactating cows were analyzed by atomic absorption spectrophotometer. The concentration of Fe,Cu,Co,Zn and Mn in soil and Sorghum were highly correlated. The concentration of Fe,Cu,Zn,Co and Mn in cycling heifers and lactating cycling cows were significantly (P0.01) higher than the non-cycling heifers of either age group. The concentration of these minerals were at increasing trend as per advancing age of non-cycling heifers. The observation suggests that the trace mineral content of soil affect the fodder content of these minerals. The maintenance of trace mineral in circulation at different ages and reproductive status is also controlled by the intrinsic factor rather than the content of trace minerals in fodders.
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