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 10.62
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -14.82 -0.375 5.55
Prot (kg) -6.18 -0.441 2.73
Fertility Sub Index 0.13
Calving Interval (days) 0.03 -1.459 -0.04
Survival (%) 0.16 1.117 0.18
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.28
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 21.15

* Based on an €80/tonne carbon price