Effects of boric acid supplementation on bone health in crossbred calves under tropical condition
Journal of Trace Elements in Medicine and Biology, ISSN: 0946-672X, Vol: 63, Page: 126647
2021
- 10Citations
- 13Captures
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Metrics Details
- Citations10
- Citation Indexes10
- 10
- CrossRef3
- Captures13
- Readers13
- 13
Article Description
Boron (B) is thought to play key role in proper bone growth and development as well as have some role in regulation of minerals such as calcium (Ca), phosphorus (P) and magnesium (Mg) which act synergistically with vitamin D. Present study was planned in two phases to assess the effect of optimum and supranutritional levels of (B) in the form of boric acid (BA) supplementation on bone health of growing cross bred calves. During Phase-1, twenty four male crossbred calves were blocked into four groups (n = 6) on the basis of their body weight (154.83 ± 8.5 kg), age (7–9 months) and were supplemented with 0 (C), 2.6 (T-1), 5.4 (T-2) and 10.7 (T-3) g BA for appropriate B (0.175 adjustment factor to calculate B form BA) consumption i.e. 0, 100, 200 and 400 ppm in each group respectively, for 90 days. During phase 2, twenty-one male crossbred calves were divided into 3 groups (n = 7) on the basis of their body weight (103.76 ± 4.34 kg) and age (5–8 months). All the groups were on similar dietary regimen with additional supplementation of boric acid as 0 g (control); 3.6 g (200 ppm B; T-1) and 10.8 g (600 ppm B; T-2), respectively for a period of 120 d. From the first experiment it is reported that plasma levels of bovine alkaline phosphatase (BALP), type I collagen cross-linked N-telopeptide (NTx) and Ca were significantly (P < 0.05) affected in T-2 and T-3 groups as compared to T-1 and control groups. Whereas, plasma osteocalcin (OCN) concentration was found to be higher in T-2 and T-3 groups as compared to control group. However, plasma concentrations (ng/mL) of tartrate resistant acid phosphatase (TRAP) remained unaltered due to dietary treatments. Based on the results, another experiment was conducted to validate the above findings and further to determine the effect of still higher i.e supranutritional levels of BA supplementation on bone health of calves. Results revealed that supplementation of BA in T-2 group had no beneficial effect on bone health as the plasma concentration of BALP, OCN, NTx, 25 (OH) vitamin D and Ca as compared to T-1 group in phase 2. Other possible attributes of bone health i.e. plasma concentration of Mg, P, parathyroid hormone (PTH), and calcitonin were not affected by BA supplementation at any levels. Overall from present study it can be concluded that supplementation of boric acid 3.6 g/d (equivalent to 200 ppm B) in the diet of growing animals has positive effect on bone health related biomarkers (OCN, NTx and BALP) and supplementation of supranutritional level of BA i.e. 10.8 g ( equivalent to 600 ppm B) level had neither additional beneficial nor harmful effect on bone health of calves.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0946672X20302121; http://dx.doi.org/10.1016/j.jtemb.2020.126647; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85091678405&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/33010650; https://linkinghub.elsevier.com/retrieve/pii/S0946672X20302121; https://dx.doi.org/10.1016/j.jtemb.2020.126647
Elsevier BV
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