Phosphocalcemic responses of vitamin D3 administered intact or hypophysectomized Heteropneustes fossilis maintained either in artificial freshwater or calcium deficient freshwater.

Ajay Kumar, Abhishek Kumar, ManiRam Prasad, Chandra Prakash, Sunil Kumar Srivastav

Abstract


The serum calcium level of vehicle injected fish (group-A) exhibits no alteration throughout the experiment. Vitamin D3 administration to fish Heteropneustes fossilis exhibited hypercalcemia from day 3 to day 7 (group-B). However hypophysectomized and vehicle injected fish showed hypocalcemia from day 3 to day 7 (group-C). While hypophysectomized and vitamin D3 injected fish exhibited hypercalcemia on day 3 till the end of experiment (group -D). The serum phosphate of group A fishes is unaltered throughout experiment. The phosphate level of vitamin D3   treated fish (group-B) exhibits hyperphosphatemia from day 3 to day 7. In group C fishes exhibited a significant decrease in phosphate level throughout the experiment. While the group D fishes showed hyperphosphatemia from day 3 to day 7. In group E fishes the serum calcium level remains unaffected up to day 3 the level decreases on day 5 to day 7. In group F fishes showed hypercalcemia from day 3 to day 7. In group H fishes a progressive decrease in serum calcium level is noticed on day 3 to day 7. The group H fishes shows increase in the serum calcium level from day 3 to day 7. The serum phosphate level of group E fishes showed a decrease from day 3 to day 5. The phosphate level increases from day 3 to day 7 in group F fishes. The phosphate level exhibited a decrease from day 3 to day 7 (group G). The phosphate level increases from day 5 to day 7 of group H fishes.


Keywords


Hypophysectomy, Vitamin D3, Serum calcium, Serum phosphate, Heteropneustes fossilis.

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Print ISSN: 2522-6746 ,  Online ISSN: 2522-6754 

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