# OSU Cowculator

> Beef cattle nutrition and ration balancing tool based on NASEM guidelines. (iPhone/iPad app by Oklahoma State University.)

- Source: https://appshunter.io/ios/app/osu-cowculator/id1521713134 (this page in markdown: same URL + `.md`)
- Developer: [Oklahoma State University](https://appshunter.io/developer/393442180)
- Category: Utilities, Education
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 60 MB
- Languages: English
- Released: 2020-09-04
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/osu-cowculator/id1521713134/reviews.md

## What is OSU Cowculator?

Cowculator is intended to assist cattlemen in making informed decisions associated with beef cattle nutrition. Animal criteria and the feed stuffs can be customized to each operation and to each situation. Animal requirements, feed intake estimates, and performance predictions are based on years of research data summarized in the National Academies of Science Engineering and Medicine (NASEM) Nutrient Requirements of Beef Cattle publication.

The focus of this app is to allow beef cattle producers easily and quickly balance rations for everyday use in their operations. Some calculated values include: actual and predicted dry matter intake, average daily gain, intake ratio and total diet crude protein and energy concentration.

Features:
-Enter and view information about your cattle
-Create a customized diet and balance a ration
-View a summary of your cattle information and ration and save as a PDF to email or print.

## Key features

- Customize animal criteria
- Customize feedstuffs
- Balance rations
- Predict performance
- Save ration summaries as PDF


## Frequently asked questions about OSU Cowculator

### What is OSU Cowculator used for?

OSU Cowculator is designed to assist beef cattle producers in making informed decisions about animal nutrition. It helps in balancing rations and predicting performance based on scientific research.

### Is OSU Cowculator free to use?

Yes, OSU Cowculator is available for free, with no cost to download or use its core features.

### What scientific data does OSU Cowculator use?

The app's calculations for animal requirements, feed intake estimates, and performance predictions are based on data summarized in the National Academies of Science, Engineering and Medicine (NASEM) Nutrient Requirements of Beef Cattle publication.

### Can I customize the feed and animal information in OSU Cowculator?

Yes, you can enter and view information about your specific cattle and create customized diets by adjusting feedstuffs to suit your operation and situation.

### What kind of performance predictions can OSU Cowculator make?

OSU Cowculator can calculate values such as actual and predicted dry matter intake, average daily gain, intake ratio, and total diet crude protein and energy concentration.

### Can I share my ration summaries from OSU Cowculator?

Yes, you can view a summary of your cattle information and ration and save it as a PDF. This PDF can then be emailed or printed.

### What devices is OSU Cowculator available on?

Based on the provided data, OSU Cowculator is a mobile application, typically available on iOS and Android platforms. Specific device compatibility is not detailed.

### How often is OSU Cowculator updated?

OSU Cowculator was last updated on October 16, 2020, with version 1.0.1. The frequency of future updates is not specified.

## Version history (last 1 release)

### 1.0.1 — 2020-10-16

Contact information update in Information page.

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All apps by Oklahoma State University: https://appshunter.io/developer/393442180

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*