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 8.62
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -12.04 -0.375 4.51
Prot (kg) -8.78 -0.441 3.88
Fertility Sub Index -13.36
Calving Interval (days) 6.85 -1.459 -9.99
Survival (%) -3.01 1.117 -3.36
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index -0.03
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.74 -0.432 -1.61
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index -1.93

* Based on an €80/tonne carbon price