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 4.10
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -4.89 -0.375 1.83
Prot (kg) -4.96 -0.441 2.19
Fertility Sub Index -2.54
Calving Interval (days) 1.48 -1.459 -2.16
Survival (%) -0.34 1.117 -0.38
Calving Sub Index -1.67
Gestation Length (days) 1.82 -0.919 -1.67
Beef Sub Index -4.31
Carcass Weight (kg) 8.20 -0.528 -4.33
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index -3.59
Live WT (kg) 11.70 -0.307 -3.59
Total Carbon Sub Index -8.01

* Based on an €80/tonne carbon price