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 2.97
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -2.49 -0.375 0.93
Prot (kg) -2.48 -0.441 1.09
Fertility Sub Index -1.45
Calving Interval (days) 1.17 -1.459 -1.71
Survival (%) 0.23 1.117 0.26
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index -2.07
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 8.94 -0.432 -3.86
Maintenance Sub Index Maint. Sub Index 7.08
Live WT (kg) -23.10 -0.307 7.08
Total Carbon Sub Index 7.23

* Based on an €80/tonne carbon price