Enhance the Phosphorus Availability of Pigs by Molecular Biology Methods

doi:10.3321/j.issn:1000-7091.2006.z1.041

Abstract

Abstract: Because of swine manure is high in phosphorus, phosphorus pollution caused by using manure as fertilizer to land is a serious and growing problem, which has drawn people's attention. In order to lower the pollution of swine manure phosphorus, many animal nutritionists tried to reduce fecal phosphorus excretion by using molecular biology methods and have put forward many new ways by doing large quantity experiments. This lecture will narrate the strategy of improving the availability of phosphorus mainly from molecular biology following three aspects including improving the digestibility of phosphorus by the addition of rebuild phytase by molecular biology methods, reducing phosphorus in pig manure by genetically enhancing corn and soybean meal and expressing genes coding for phytase that enhance metabolism potential of food animals transgenic pigs.

Key words: Molecular biology, Pig, Phosphorus, Availability

CLC Number:

S828

ZHANG Yong-gang, LI Tie-jun, FAN Ming-zhe, YIN Yu-long, HUANG Rui-lin. Enhance the Phosphorus Availability of Pigs by Molecular Biology Methods[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2006, 21(S1): 172-176. doi: 10.3321/j.issn:1000-7091.2006.z1.041.

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