Phosphorus kinetic in growing pigs tissue fed diets formulated according to the ideal protein concept and supplemented with phytase enzyme

Author(s)

J.A. Moreira ^[1] ; D.M.S.S. Vitti ^[2] ; R.M. Patino ^[3] ; B. Berenchtein ^[4] ; T.S. Silva ^[5]

Affiliation

^[1] Universidade Federal do Rio Grande do Norte

^[2] Centro de Energia Nuclear na Agricultura

^[3] Universidade de Sucre - Colômbia

^[4] Centro de Energia Nuclear na Agricultura

^[5] Centro de Energia Nuclear na Agricultura

• Document type: Journal article
• Source: Arquivo Brasileiro de Medicina Veterinária e Zootecnia; v. 66, n. 5, p. 1577-1584, 2014-10-00.

Abstract

This study was developed to evaluate the kinetic of the P in the pigs' tissues, feed diets formulated according the ideal protein concept and supplemented with phytase enzyme. Twenty male pigs were used, distributed in a randomized blocks experimental design, with five treatments and four replicates. The animals were housed in metabolic cages for 17 days, with 10 days for adaptation and 7 days for collection of feces and urine. Blood samples were collected in 5 days. On first day of the experimental phase, each animal was intravenously injected with 7.4 MBq 32P. At the end of the experiment the animals were slaughtered and samples of muscle (loin), heart, liver, kidney and bones were collected. The enzyme fitase interfered in the kinetics of 32P, leading to a smaller incorporation of bone tissues. (AU)

• FAPESP's process: 04/14532-5 - Environmental impact of phosphorus excretion in livestock: quantitative analysis of flow phosphorus using bio-mathematical models
• Grantee: Dorinha Miriam Silber Schmidt Vitti
• Support Opportunities: Research Projects - Thematic Grants