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Addition line: a technical system of pig testing, genetic evaluation, selection and mating, and whole genome breeding in line with Canada. The genetic progress is in step with that of Canada.
Legal system: in line with axiom of France, the technical system of pig testing, genetic evaluation, seed selection and matching, and whole genome breeding. The genetic progress is in step with axiom of France.

At the same time of self breeding, we continue to introduce excellent frozen semen of pigs, so that the performance of Tianzhao breeding pigs will continue to improve, comparable to the world's first-class.