Avian combination-vaccine against e.coli and salmonella

Avian combination-vaccine against e.coli and salmonella

  • CN 1,787,836 A
  • Filed: 05/12/2004
  • Published: 06/14/2006
  • Est. Priority Date: 05/14/2003
  • Status: Active Application
First Claim
Patent Images

1. bird vaccine compositions, it contains:

  • the combination and the pharmaceutically acceptable carrier of the colibacillary gene delection mutant microbial of immunogenicity effective dose and the gene delection mutant microbial of Salmonella typhimurium.

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