Companies developing vaccines that inhibit methane (CH4) production in cattle are facing challenges, say experts, and in the process finding their development is more complex than first thought.

Developers struggle with complexities of cattle rumen, logistics of cattle on pasture and lack of incentives for Canadian producers
Fishburn Ranch has survived BSE and drought, and the Toews family remains committed to the regenerative approach
Sean McGrath explains why economic and environmental sustainability go hand-in-hand on this family’s ranch