Peripartum Responses of Dairy Cows Fed Energy-Dense Diets for 3 or 6 Weeks Prepartum

Pregnant cows (n=189) in two commercial dairy farms were assigned randomly to be fed energy-dense diets for either 3 or 6 wk before expected calving. Cows fed diets for less than or equal to 26 d were designated the short (S) treatment group, and those fed greater than 26 d were the long (L) treatme...

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