National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
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. The results in this study showed that rare earth elements (lanthanum and cerium) supplemented at 250mg/kg to the diets of layers had significantly (P<0.05) increased plasma calcium and phosphorus levels at first and second month, whereas in 500mg/kg experimental group plasma calcium and phosphorus had significantly (P<0.05) increased in first month but no significant changes was found in second month of the trial. The total protein, albumin and globulin were not significantly affected compared to the control. Hence it was concluded that at low dose of rare earth elements, the birds had significant effect in plasma calcium and plasma phosphorus level compared to higher dose.
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