Waiting six hours to feed colostrum caps roughly a quarter of your show heifer's disease protection. The class was decided at 2 a.m. in January, not at the clipping chute in September.

The Bullvine Podcast takes apart the research on why the 28% IgG loss is an absorption efficiency problem, not a colostrum quality problem — plus the hay belly trap, the Jersey-on-Holstein ration mistake, and the Ferrari problem with genomic Feed Efficiency scores. Every threshold, every decision, every trade-off a working breeder needs before next show season.

What You'll Learn

• Why colostrum absorption collapses by hour six, even when quality stays intact
• The Brix and serum IgG thresholds the 2020 Lombard consensus actually requires
• How uNDF240 creates hay belly before your grain program can work
• Why Jerseys on Holste ...