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TRANSIT TIME MEASURED BY RARE EARTH ELEMENTS IN DAIRY COWS FED THREE DIETS OFFERED AT TWO LEVELS OF FEED INTAKE

  • Peyraud, J.L. (INRA Station de Recherches sur la Vache Laitiere) ;
  • Mambrini, M. (INRA Station de Recherches sur la Vache Laitiere) ;
  • Rulquin, H. (INRA Station de Recherches sur la Vache Laitiere)
  • Published : 1989.09.01