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Phosphorus kinetics in calves experimentally infected with Cooperia punctata evaluated by isotopic dilution technique

Published online by Cambridge University Press:  20 November 2017

R. R. Rodrigues ,
D. M. S. S. Vitti ,
S. M. Gennari ,
J. L. Guerra ,
M. B. Contieri  and
A. L. Abdalla
R. R. Rodrigues
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, SP, Brazil
D. M. S. S. Vitti*
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, SP, Brazil
S. M. Gennari*
Affiliation:
Laboratory of Parasitic Diseases – Faculty of Veterinary Medicine and Animal Science (FMVZ), Av. Prof. Orlando M. de Paiva, 87, CEP 05508-900, São Paulo City, SP, Brazil
J. L. Guerra*
Affiliation:
Department of Pathology and Toxicology - FMVZ
M. B. Contieri
Affiliation:
Department of Pathology and Toxicology - FMVZ
A. L. Abdalla
Affiliation:
Laboratory of Animal Nutrition – Centre for Nuclear Energy in Agriculture (CENA/USP), CP 96, CEP 13400-970, Piracicaba, SP, Brazil
*
E-mail: dovitti@cena.usp.br
E-mail: sgennari@usp.br
E-mail: guerra@usp.br
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Extract

Parasitic intestinal infections can affect the health of calves inducing symptoms like loss of appetite, diarrhoea, nutritional deficiency, loss of protein, and reduced weight gain. Cooperia punctata is the most prevalent parasitic intestinal nematode in Brazil (Lima, 1998) and its site of fixation is the upper part of the small intestine, i.e., duodenum and jejunum (Bailey, 1949) that are also the sites of greatest dietary phosphorus absorption (Schröder et al., 1995). Thus, the damage caused by the parasite when it penetrates the intestinal epithelium can interfere with phosphorus metabolism. The objective of this experiment was to evaluate the true phosphorus absorption by calves submitted to an acute infection with C. punctata using the 32P isotopic dilution technique.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2004 , 2004 , pp. 196
Copyright
Copyright © The British Society of Animal Science 2004

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References

Bailay, W.S., 1949. Studies on calves experimentally infected with Cooperia punctata . American Journal of Veterinary Research, 10: 119–129.Google Scholar
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Schroder, B.; Kappner, H.; Failing, K.; Pfeffer, E.; Breves, G., 1995. Mechanisms of intestinal phosphate transport in small ruminants. British Journal of Nutrition, 74: 635–648.Google Scholar