https://extension.psu.edu/colostrum-management-tools-hydrometers-and-refractometers
Colostrum Management Tools: Hydrometers and Refractometers
This publication describes the use of the Colostrometer and the Brix refractometer in managing colostrum on the farm.
colostrum managementtoolshydrometersrefractometers
https://extension.psu.edu/trouble-shooting-colostrum-management-colostrum-calculator
Trouble Shooting Colostrum Management: Colostrum Calculator
Use the Colostrum Calculator spreadsheet to investigate factors related to IgG absorption in calves.
trouble shootingcolostrum managementcalculator