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 4.79
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -6.98 -0.375 2.61
Prot (kg) -3.86 -0.441 1.70
Fertility Sub Index -0.70
Calving Interval (days) -0.08 -1.459 0.12
Survival (%) -0.73 1.117 -0.82
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.05
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 5.78

* Based on an €80/tonne carbon price