Letter to the editor: Comments on Schalich et al. (2021), Colostrum testing with Brix is a valuable on-farm tool. doi.org/10.193/jas/skab083. (28th April 2022) - Lombard, Jason; Quigley, James; Haines, Deborah; Garry, Frank; Earleywine, Tom; Urie, Natalie; Chamorro, Manuel; Godden, Sondra; McGuirk, Sheila; Smith, Geof; Shivley, Chelsey; Catherman, Dan; et al.