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 7.77
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -9.42 -0.375 3.53
Prot (kg) -5.51 -0.441 2.43
Fertility Sub Index 2.74
Calving Interval (days) -1.40 -1.459 2.04
Survival (%) 0.62 1.117 0.69
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.37
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 20.22

* Based on an €80/tonne carbon price