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 22.81
Milk (kg) -386.00 -0.014 5.40
Fat (kg) -26.24 -0.375 9.83
Prot (kg) -17.16 -0.441 7.57
Fertility Sub Index -0.03
Calving Interval (days) 0.21 -1.459 -0.31
Survival (%) 0.25 1.117 0.28
Calving Sub Index -2.06
Gestation Length (days) 2.24 -0.919 -2.06
Beef Sub Index -3.02
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 5.78 -0.432 -2.50
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 22.14

* Based on an €80/tonne carbon price