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 6.69
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -6.71 -0.375 2.51
Prot (kg) -6.80 -0.441 3.00
Fertility Sub Index 1.49
Calving Interval (days) -0.53 -1.459 0.77
Survival (%) 0.64 1.117 0.72
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.23
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.93 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 18.14

* Based on an €80/tonne carbon price