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 6.23
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -4.18 -0.375 1.57
Prot (kg) -8.04 -0.441 3.55
Fertility Sub Index -12.07
Calving Interval (days) 6.32 -1.459 -9.22
Survival (%) -2.55 1.117 -2.85
Calving Sub Index 1.55
Gestation Length (days) -1.69 -0.919 1.55
Beef Sub Index -0.25
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index -3.80

* Based on an €80/tonne carbon price