This is a comprehensive trot through the dvelopment of low methane trait. Slide 17 has a new trait g/Gh4 /dmi  you may like to review. 
Im very uncomfortable with the data on Surviavability being highlighted as Bad  given a realtively narrow genetic base and more work to be done. Was their a signioficant difference in the lambing % of the High and low flocks ? I would prefer it to be de emphasisied unless the evidence is compelling. 
I would like the full version of this presentation to be given by the Author to the group ( investors and Researchers)  considering  cattle phenotyping so that we can have a discussion about what we have found and what it might mean for the emerging cattle work. 