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 17.62
Milk (kg) -299.00 -0.014 4.19
Fat (kg) -17.62 -0.375 6.60
Prot (kg) -15.49 -0.441 6.84
Fertility Sub Index -1.04
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) -1.91 1.117 -2.13
Calving Sub Index -1.55
Gestation Length (days) 1.69 -0.919 -1.55
Beef Sub Index 1.07
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.33 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 20.15

* Based on an €80/tonne carbon price