We routinely exceed the Canadian Seed Institute’s test standards for the seed cleaning and certified seed growers industry.



Because of a superior reputation in the market, GM Seed Cleaning sources only the finest Canadian forage and lawn grass seed.

Click here for our complete grass seed price list.


GM Seed Cleaning sources Dry Distillers Grain (DDG) from both Canada and the United States for re-sale to livestock operations.

Click here for our complete feed pellets price list.

Special Feature Sales

Higher Moisture Grain and Corn, DDG, Corn Cracks, Feed Pellets

* * *

We are buying heat damage & spring harvest canola.

* * *

Call for details

GM Seed Cleaning - Roblin, Manitoba

Whether you’re an individual producer or a large livestock operator, GM Seed Cleaning in Roblin, Manitoba can grow your business. Gert and Marianne Schwickart provide a complete range of services to customers located across western Canada and western Europe. We specialize in trading feed grain, as well as sourcing and marketing DDG (Dry Distillers Grain), Canola meal, certified seed, and grass & forage seed. We also clean common and certified seeds.

If you want to increase the weight and grade of your harvested grain, you need GM Seed Cleaning. We can remove all foreign material. Cleaner grain means higher grades, and higher grades improve your bottom line. We’ll also buy your feed grain, so be sure to talk to us about the best pricing available.

Make us your first choice in feed supply! GM Seed Cleaning is now the Manitoba Parkland’s exclusive feed pellet dealer. You tell us what you need, and we’ll ensure that you get the highest quality product at the most affordable price – delivery included!

Conversion Table

Crop Bushels/tonne Pounds/bushel
Wheat 36.744 60
Oats 64.842 34
Barley 45.930 48
Rye 39.368 56
Flaxseed 39.368 56
Canola 44.092 50
Corn 39.368 60
Soybeans 36.744 60
Peas 36.744 60
Sorghum 39.368 56
Buckwheat 45.930 48
Mustard Seed 44.092 50
Sunflower Seed 73.487 30
2,204.62 lbs = 1 tonne
Source: Canada Grains Council