Effect of dystocia on yield, fertility, and cow losses and an economic evaluation of dystocia scores for Holsteins

Dematawewa, C.M.B. (Iowa State University, Ames.) ; Berger, P.J

Journal of dairy science, 1997-04, Vol.80 (4), p.754-761 [Periódico revisado por pares]

Savoy, IL: Am Dairy Sci Assoc

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