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 3.78
Milk (kg) -220.00 -0.014 3.08
Fat (kg) -0.70 -0.375 0.26
Prot (kg) -0.99 -0.441 0.44
Fertility Sub Index -3.04
Calving Interval (days) 2.04 -1.459 -2.98
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 2.71
Gestation Length (days) -2.95 -0.919 2.71
Beef Sub Index 1.29
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 3.97 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 9.31

* Based on an €80/tonne carbon price