Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 5.09
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -0.56 -0.375 0.21
Prot (kg) -6.24 -0.441 2.75
Fertility Sub Index -0.25
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) -0.13 1.117 -0.15
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index 0.08
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.50 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index 5.80

* Based on an €80/tonne carbon price