Abstract

The PCR-RFLP technology, Rose crown chicken broiler red cards, the new Roman layer, hybrid chicken (reciprocal
cross) of the 50 insulin-like growth factor-I I (IGF-I) gene regulation and control of the 5-end Genetic Polymorphisms
of areas, the control region of the PCR products digested by PstI after "-/-" "+/-" "+/+" 3 genotypes, experimental
through hybridization chicken (orthogonal and Anti-settlement), Rose chicken crown, the new pro-Roman red cards in
this and the pro-IGF-1 to the Pst1-RFLP. Genotype frequency, there "+/+">"+/-">"-/-" trend, but in 12 weeks, body
weight, the whole "-/-">"+/-">"+/ + "trend. Which rose crown hybrid chicken and chicken "-/-" >"+/+", orthogonal
portfolio significantly different (P <0.05).

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