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        瘦肉型豬

        瘦肉型豬

        瘦肉型豬是宜賓縣農民一大經濟收入。什么是瘦肉型豬?根據豬胴體瘦肉含量,把豬分為三種類型:胴體瘦肉率占35~44%的為脂肪型豬,我國大多數地方品種屬于此型。

          
          
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            91欧美激情一区二区三区成人