Cows themselves can inform diet formulation on an ongoing basis. One result is rethinking crude protein as a metric for diet formulation, says Cornell’s Dr. Mike Van Amburgh.
CNCPS v7: Attention to AA & ProtozoaÂ
Here’s a brief update on the new “dynamic” Cornell Net Carbohydrate & Protein System (CNCPS v7) and a note from Dr. Benjamin Wenner (the Ohio State University) on amino acid values and rumen protozoa.
Dr. Bill Weiss (Emeritus Professor, the Ohio State University) points to the new NASEM (NRC) 2021 update on Cu for dry cows and warns about over-supplementation during lactation.
Buffer Tweak for Summer Milk FatÂ
Dr. Tom Jenkins (Emeritus Professor, Clemson University), zeroes in potassium (K) in DCAD to support summer milk fat.
Colostrum Challenge: Choline vs. Seasonal Drop
Colostrum is critical to calf health. Going into fall and winter, cows typically produce less colostrum. Colostrum replacers are costly. Can choline help? Michigan State’s Dr. Barry Bradford sums up the latest research.