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 4.87
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -4.61 -0.375 1.73
Prot (kg) -4.50 -0.441 1.99
Fertility Sub Index -2.10
Calving Interval (days) 0.98 -1.459 -1.43
Survival (%) -0.60 1.117 -0.67
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 1.09
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 13.22

* Based on an €80/tonne carbon price