Kalmbach Feeds Opti-Ferm X-Large Yeast Livestock Feed, 50-lb bag

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About This Item

Details

  • Versatile feed supports health and performance in all livestock species.
  • Contains both live and cultured yeast for dietary health.
  • Supports improved fiber digestion.
  • May help to stabilize rumen pH in ruminants.
  • Helps to support increased milk production and increased fiber intake.

Ingredient Information

Feeding Instructions

Questions & Answers

7 Customer Questions


Is this safe for equine consumption?

Answer by ChewyJan 11, 2023
This feed is not formulated for horses. It is intended for Dairy, Beef, Sheep & Goats, Swine, Poultry, and Deer & Elk.

What form is this in (pellets, powder, etc)? How big are the pieces if they’re formed?

Answer by ChewySep 29, 2022
This is in a meal form. Like a powder or granule.

How quickly does this need to be used once opened?

Answer by ChewyAug 04, 2021
The shelf life is approximately 150 days.

what is the source of protein

Answer by ChewyFeb 03, 2021
The protein in this recipe comes from yeast and grains.

4.7
Rated 4.7 out of 5 stars
25 Ratings

10 Customer Reviews



Rated 5 out of 5 stars
By Mary on Nov 1, 2025

The goats love it!

I mix this and alfalfa meal with the mineral for my goats, it works great for us!

I mix this and alfalfa meal with the mineral for my goats, it works great for us!


Rated 2 out of 5 stars
By Jade on May 22, 2025

Inconsistent Quality After Just One Reorder

The first bag I purchased had the correct granule size and worked great. However, the second bag was almost all powder like we got the bottom of the batch. This

The first bag I purchased had the correct granule size and worked great. However, the second bag was almost all powder like we got the bottom of the batch. This kind of inconsistency after just a second purchase is frustrating, and I’m not sure I’ll buy again. I need a reliable product that doesn’t disrupt the feeding process.


Rated 5 out of 5 stars
By James on Sep 10, 2025

Quality

Seems like same quality as the expensive brewers yeast powders sold

Seems like same quality as the expensive brewers yeast powders sold


Rated 5 out of 5 stars
By Kris on May 12, 2025

Fast Home Delivery!

I add the yeast to my Kalmbach chicken food.

I add the yeast to my Kalmbach chicken food.


Rated 5 out of 5 stars
By Bryan on Jan 24, 2025

Very good for deer and chickens

The yeast to boost milk production and digestive health.

The yeast to boost milk production and digestive health.


Rated 5 out of 5 stars
By Tiffany on Dec 21, 2024

My girls like

I add this to my girls treats and they seem to like it.

I add this to my girls treats and they seem to like it.


Rated 5 out of 5 stars
By Hannah on Jan 23, 2025

Good feed additive

High quality and fair price.

High quality and fair price.


Rated 5 out of 5 stars
By Jorja on Aug 25, 2024

Yeast

Smells good enough for human consumption A great product at a great price

Smells good enough for human consumption A great product at a great price


Rated 5 out of 5 stars
By Mrtobiasj on Nov 12, 2022

Great Product!

I tried this for my ducks and they love it. I sprinkle it in their food and they eat it as fast as we give to them. They look healthy and growing fast! I highly

I tried this for my ducks and they love it. I sprinkle it in their food and they eat it as fast as we give to them. They look healthy and growing fast! I highly recommend!


Rated 5 out of 5 stars
By BWLL on Apr 6, 2022

Helped with cattle

Helped increase our milk production on our heifers

Helped increase our milk production on our heifers