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 2.65
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -4.13 -0.375 1.55
Prot (kg) -2.27 -0.441 1.00
Fertility Sub Index -0.17
Calving Interval (days) 0.33 -1.459 -0.48
Survival (%) 0.28 1.117 0.31
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 0.19
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.60 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 13.89

* Based on an €80/tonne carbon price