# REI Dairy — Rumen Efficiency Investigation

> Rumen Efficiency Investigation (iPhone/iPad app by Lallemand inc..)

- Source: https://appshunter.io/ios/app/rei-dairy/id1434894734 (this page in markdown: same URL + `.md`)
- Developer: [Lallemand inc.](https://appshunter.io/developer/633615977)
- Category: Productivity, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 9.0 · 131 MB
- Languages: American English
- Released: 2020-03-24
- Data updated: 2026-05-16
- User reviews in markdown: https://appshunter.io/ios/app/rei-dairy/id1434894734/reviews.md

## What is REI Dairy?

With the Rumen Efficiency Audit Program, nutritionists and producers get a global picture of the dairy herd at a given point in time and receive practical recommendations to optimize rumen efficiency (barn and herd management, nutrition, use of a rumen-specific live yeast like LEVUCELL SC). Therefore, by optimizing rumen efficiency, this audit program can help maximize income over feed cost.

This program is based on easily measurable on-farm parameters. For each of the criteria assessed, the program provides optimal targets and practical recommendations to achieve these targets.

This program is brought to you by Lallemand Forward: specifically chosen service solutions that enhance people, knowledge and production practices. At Lallemand Animal Nutrition, high-value is put on creating and maintaining strong customer relationships. Lallemand is raising the bar and setting new standards to benefit animals and create better customer experiences. Lallemand Forward represents our ideals while keeping an eye on the future.


## Version history (last 5 releases)

### 1.4.2 — 2024-08-13

What's New in Version 
- This update includes a re-release of the app with no additional changes just because it will be expired.

### 1.4.0 — 2020-11-29

Added Italian support!

### 1.3.0 — 2020-11-02

Added French support!

### 1.2.2 — 2020-08-27

Updated translations.

### 1.2.0 — 2020-08-01

- Updated registration performance.
- Supported email login.
- Added Chinese support.

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## More apps by Lallemand inc.

- [Lallemand - Wine](https://appshunter.io/ios/app/lallemand-wine/id633615974)
- [REI Beef](https://appshunter.io/ios/app/rei-beef/id1344539528)
- [LalBrew app](https://appshunter.io/ios/app/lalbrew-app/id1532958647)
- [Lallemand Guide](https://appshunter.io/ios/app/lallemand-guide/id6443788481)

All apps by Lallemand inc.: https://appshunter.io/developer/633615977

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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 2026-05-16.*