Methane Efficiency: Genetic Evaluations to Help Reduce Impact on Our Environment
The average Holstein cow produces around 180kg of methane per year, with the observed variation between cows ranging by ±30% above or below average. Genetic selection for improved methane efficiency is expected to achieve 20-30% reductions in methane emissions from dairy herds by 2050. Here is an update on the rapidly expanding number of countries that are adding methane efficiency to their genetic evaluations.
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