tailieunhanh - Effect of dietary REE supplementation on blood biochemical parameters in layer chicken

A biological study was conducted to determine the effects of dietary supplementation of different levels of rare earth elements (lanthanum and cerium) on blood biochemical parameters namely calcium, phosphorus, total protein, albumin and globulin in laying hens. A total of 96 White Leghorn laying hens of 52 weeks of age were used in 8-week feeding trial. Birds were randomly allotted to three dietary treatments each with four replicates and 8 hens per replicate. Treatments consist of basal diet supplemented with 0, 250mg (lanthanum 100mg and cerium 150 mg) and 500mg/kg (lanthanum 200mg and cerium 300 mg) of rare earth elements. Blood was collected from the birds at monthly intervals and plasma was separated to analyse calcium, phosphorus, total protein and albumin using UV spectrophotometer. | Effect of dietary REE supplementation on blood biochemical parameters in layer chicken

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