Burps are the top source of methane emissions from cattle. The genetics company Semex said adoption of the low-methane trait could reduce methane emissions from Canada's dairy herd by 1.5% annually, and up to 20%-30% by 2050.
WINNIPEG, Manitoba - When Canadian dairy farmer Ben Loewith's calves are born next spring, they will be among the first in the world to be bred with a specific environmental goal: burping less methane.
Burps are the top source of methane emissions from cattle. Semex, the genetics company that sold Loewith the semen, said adoption of the low-methane trait could reduce methane emissions from Canada's dairy herd by 1.5% annually, and up to 20%-30% by 2050. Canada's agriculture department said in an email that it has not yet assessed the methane evaluation system underlying the product but that reducing emissions from livestock was "extremely important."
The scientists captured the exhalations of cattle to measure them for methane, and then compared the data against genetic information and milk samples.
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