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The influence of dietary cation-anion difference on urine pH, feed intake and calcium and phosphor homeostasis in Holstein heifers

Published online by Cambridge University Press:  23 November 2017

T. Mohammadabadi ,
M. Danesh Mesgaran ,
H. Nasiri Moghaddam  and
M. Chaji
T. Mohammadabadi*
Affiliation:
Excellence Center for Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, P.O. Box 91775-1163, Mashhad, Iran
M. Danesh Mesgaran
Affiliation:
Excellence Center for Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, P.O. Box 91775-1163, Mashhad, Iran
H. Nasiri Moghaddam
Affiliation:
Excellence Center for Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, P.O. Box 91775-1163, Mashhad, Iran
M. Chaji
Affiliation:
Excellence Center for Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, P.O. Box 91775-1163, Mashhad, Iran
*
Email: [email protected]
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Extract

In nutrition of dry cows use diets with low dietary cation-anion difference (DCAD) for preventing milk fever. Therefore, anionic salts are used for reduce DCAD of diet that are caused subacute metabolic acidosis and following stimulation of PTH and 1, 25(OH2) D3 and result to calcium reabsorbing from gut and its transition from bone, so calcium concentration of blood is increased. Anionic salts caused increase calcium excretion of urine and decreasing pH. The objective of the present study was to evaluate the effect of diets with different DCAD on physiological characteristics of Holstein heifers.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2005 , 2005 , pp. 205
Copyright
Copyright © The British Society of Animal Science 2005

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References

Jackson, J. A., Akay, V., Franklin, S. T., & Aaron, D. k.. 2001. The effect of cation-anion difference on calcium requirement, feed intake, body weight gain and blood gasses and macro mineral concentrations of dairy calves. J. Dairy Sci. 84: 147–153.Google Scholar