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 2.60
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -0.89 -0.375 0.33
Prot (kg) -2.45 -0.441 1.08
Fertility Sub Index 2.38
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) 0.68 1.117 0.76
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.44
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 15.76

* Based on an €80/tonne carbon price