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 7.05
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -2.75 -0.375 1.03
Prot (kg) -9.58 -0.441 4.23
Fertility Sub Index -4.03
Calving Interval (days) 1.99 -1.459 -2.90
Survival (%) -1.01 1.117 -1.13
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.17
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.56 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index 4.20

* Based on an €80/tonne carbon price