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 |
To investigate the changes in the haematological, serum biochemical parameters and hepato-renal biomarkers upon dietary supplementation of nano zinc oxide (nZnO) and its effect on growth performance in calves, 24 weaned (6 months age) crossbred calves were randomly distributed to four dietary plans (Control, Treatment1, Treatment2 and Treatment3). The Control(C) group was fed exclusively with basal diet; T1 was supplemented with 25ppm ZnSo4, T2 and T3 with 5ppm and 10ppm nZnO respectively, along with the basal diet. Zinc content in basal was 26.24ppm. The haematological parameters and few parameters viz., serum calcium, SGOT, blood urea nitrogen and creatinine varied within the normal range upon nZnO supplementation. However, the serum zinc, total protein, serum albumin and serum globulin were significantly (P<0.01) higher in nZnO supplemented groups. There was a significant (P<0.05) difference in the blood glucose levels between C and T2 on 45th day. And, the serum phosphorus level was significantly (P<0.05) higher in T2 compared to T1 and T3. To conclude, nZnO has significant effect on few serum biochemical parameters which supported the growth performance of calves positively with a significant (P<0.01) improvement in the body weight gain and average daily gain in nZnO supplemented groups.
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