The Protein Supplement Calculator is designed to assist producers in making economical and nutritionally sound decisions with regard to the protein intake of their cows.

The app allows the user to balance a simple two-ingredient ration of protein by comparing the cost per unit of two feed supplements. Depending on the time of year, the user will determine the convenience and ease of administering the protein supplement.

A birthing date calculator is also included, which allows user to determine when to breed their cattle based on a desired calving date. The calculator uses a gestation period of 283 days. 

Note: The appropriate protein intake is especially important during the last trimester of pregnancy.

What’s New

Version 1.0.20170717

This app has been updated by Apple to use the latest Apple signing certificate.

Minor Bug Fixes

App Privacy

The developer, Utah State University, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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