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 8.20
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -12.22 -0.375 4.58
Prot (kg) -6.81 -0.441 3.01
Fertility Sub Index -3.58
Calving Interval (days) 1.23 -1.459 -1.79
Survival (%) -1.60 1.117 -1.79
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.14
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 6.51

* Based on an €80/tonne carbon price