Contact
Get in touch with us and test our substrates!
Marie-Laure JARRY
CHAIRMAN
Frequently asked questions
Contact us directly for more information
on our various substrates.
EUROSUBSTRAT CALLAC offers substrates for 3 varieties of oyster mushroom (grey, pink and yellow), pholiote and shiitake.
Yes, our substrates are available for both conventional and organic farming.
Yes, our reputation is based on our ability to incubate the substrate in our 35 incubation greenhouses. The substrate must be sufficiently incubated to give our customers a high returnBut not too much so that the mushrooms don't grow on our bales before departure.
Our address
We're proud of our Breton roots: we're based in Callac-de-Bretagne, in the heart of a land renowned for its market gardening and the dynamism of its farmers.
Callac-de-Bretagne
Z.A. de Kerguiniou, 22160 Callac, France
Eurosubstrat Callac belongs to Breizh Rebonda Breton investment fund specialising in supporting small and medium-sized businesses in Brittany that are looking for resources to help them grow and take their business to the next level.
Explore the performance of our substrates!
As part of our quality of service, we offer technical support by appointment on site or by telephone.