Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 11.37
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -12.47 -0.375 4.67
Prot (kg) -12.39 -0.441 5.47
Fertility Sub Index -25.60
Calving Interval (days) 11.42 -1.459 -16.66
Survival (%) -8.00 1.117 -8.94
Calving Sub Index 0.91
Gestation Length (days) -0.99 -0.919 0.91
Beef Sub Index -1.87
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 7.39 -0.432 -3.19
Maintenance Sub Index Maint. Sub Index -3.07
Live WT (kg) 10.00 -0.307 -3.07
Total Carbon Sub Index -18.26

* Based on an €80/tonne carbon price