This PaPer Provides an overview of advances in research on Chinese Pigs( Meishan,Fengjing and Mlnzhou) in the U. S. during 1990 1993.It includes chiely 4 parts:① production traits,② physiology field,③ gene mapping,④ development of new breeds or lines.Results of both published and unpublished research indicate the Chinese breeds,especially Meishan and Fengjing, can be used to produce crossbred gilts that reach puberty earlier,have a higher concePtion rate and Produce larger litters than crossb...
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