2005
ADSA/ASAS/CSAS meeting (1)
Historical examination
of culling of dairy cows from herds in the United States
H. DUANE NORMAN, E. HARE, and J.R. WRIGHT
Animal Improvement Programs Laboratory
Agricultural Research Service, USDA
Beltsville, MD 20705-2350
dnorman@aipl.arsusda.gov — 301-504-8334