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 2.23
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -1.51 -0.375 0.57
Prot (kg) -1.29 -0.441 0.57
Fertility Sub Index 0.29
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) 0.23 1.117 0.26
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index -3.22
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 6.84 -0.432 -2.95
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 6.11

* Based on an €80/tonne carbon price