ACKNOWLEDGMENTS
Serdal Dikmen was supported by a grant from
TUBITAK-BIDEB, Ankara, Turkey. We thank the following
individuals for providing access to cows and cow
records: Eric Diepersloot of the University of Florida
Dairy Research Unit, Ron St. John and the employees
of Alliance Dairy, and Pam Bliss and the employees
of Hilltop Dairy. Thanks are expressed to Meghan M.
Brennan of the Department of Statistics, University of
Florida, for providing statistical advice.