אסיף מאגר המחקר החקלאי

Relationship between duodenal calcium-binding protein, parathyroid activity and various parameters of mineral metabolism in the rachitic and vitamin D-treated chick

Year:

1972

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Volume :

43

Co-Authors:

Bar, A., Department of Animal Science, The Volcani Institute of Agricultural Research, Beit Dagan, Israel
Hurwitz, S., Department of Animal Science, The Volcani Institute of Agricultural Research, Beit Dagan, Israel
Cohen, I., Department of Animal Science, The Volcani Institute of Agricultural Research, Beit Dagan, Israel

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Abstract:

1. 1. Duodenal calcium-binding protein (CaBP), parathyroid activity and blood and bone minerals were estimated in vitamin D (D) deficient and D-fed chicks (Gallus domesticus). 2. 2. The parathyroids responded to hypocalcemia mainly by increasing their size. 3. 3. Feeding of low phosphate diet resulted in increased CaBP activity only in D-fed chicks. In D-deficient chicks, dietary mineral did not modify the response of CaBP to a single dose of D. 4. 4. Duodenal CaBP activity was found to be independent of parathyroid activity, but correlated well with bone ash. © 1972.

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