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 9.28
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -10.75 -0.375 4.03
Prot (kg) -8.89 -0.441 3.92
Fertility Sub Index -1.98
Calving Interval (days) -1.06 -1.459 1.55
Survival (%) -3.16 1.117 -3.53
Calving Sub Index -3.67
Gestation Length (days) 3.99 -0.919 -3.67
Beef Sub Index 1.67
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) -3.50 -0.432 1.51
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 6.31

* Based on an €80/tonne carbon price