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The World of Pig Genetics猪基因的世界· There are only a few countries that produce the best genetics in the world只有为数不多的国家生产出世界上最好的基因:-United States of American美国-Denmark丹麦-France法国-Canada力口拿大-Etc...等等·All of them have their strengths and weaknesses所有的基因都有其长处和短处· Eventually Chinese companies shall develop their own genetics最终中国的公司将开发出自己的基因