| Individual differences in the phosphorus metabolism of fattening bulls--testing effects of crude fibre and calcium chloride in the diet. | |
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MedLine Citation:
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PMID: 20481350 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Urolithiasis due to struvite concrements occurs in fattening cattle, but only in 1-5% of a herd, in spite of identical nutrient supply. Developing dietetic measures for these cattle was the primary aim of this study. The feeding experiments were focused on the general effects of varying the crude fibre supply and adding CaCl2 as a urine acidifier, especially concerning individual reactions to the different diets. Five standard balance trials were performed with three fattening bulls. The crude fibre content in the ration varied between 14.8% and 24.0% DM. In two trials, coated CaCl2 was fed (per day 20 g/100 kg BW). Influences on the macro mineral metabolism and the acid-base-balance were investigated. Unexpectedly, the crude fibre content had no significant effect on the renal P excretion, but individual differences occurred concerning digestibility, renal excretion and serum concentration of P: one bull constantly showed significantly higher values. Adding CaCl2 resulted in reduced renal P excretion and pH values of the urine (< 6.5). Thus, using CaCl2 might be a beneficial dietetic measure for preventing struvite. The huge individual differences in the P metabolism could be linked to genetically-based variations, as known for sheep. |
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Authors:
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Venja Alexandra Taube; Karl Rohn; Lothar Kreienbrock; Josef Kamphues |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Archives of animal nutrition Volume: 64 ISSN: 1745-039X ISO Abbreviation: Arch Anim Nutr Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-05-20 Completed Date: 2010-06-08 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101222433 Medline TA: Arch Anim Nutr Country: England |
Other Details:
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Languages: eng Pagination: 111-20 Citation Subset: IM |
Affiliation:
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Institute of Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Germany. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animal Feed
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analysis* Animal Nutritional Physiological Phenomena Animals Calcium Chloride / analysis* Cattle / metabolism* Diet / veterinary Dietary Fiber / analysis* Male Phosphorus / metabolism* |
| Chemical | |
Reg. No./Substance:
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10043-52-4/Calcium Chloride; 7723-14-0/Phosphorus |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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