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 6.38
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -5.24 -0.375 1.96
Prot (kg) -5.76 -0.441 2.54
Fertility Sub Index -4.02
Calving Interval (days) 1.87 -1.459 -2.73
Survival (%) -1.16 1.117 -1.30
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.17
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 4.46

* Based on an €80/tonne carbon price