the placebo (4.39 weeks; P 0.0001). There were no differences in weight gains or incidence ofURDin yearlings.
Acknowledgments
Sources of Funding Animal Healthcare Products and Packaging, Inc., Winchester, KY and Saskatoon Colostrum Com- pany, Saskatchewan.
Declaration of Ethics
The Authors declare that they have adhered to the Principles of Veterinary Medical Ethics of the AVMA.
Conflict of Interest Dr. Fenger is a paid consultant for Animal Health- care Products and Packaging, Inc., and Saskatoon Colostrum Company; Dr. Haines is an employee of Saskatoon Colostrum Company.
