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 2.61
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -0.73 -0.375 0.27
Prot (kg) -1.05 -0.441 0.46
Fertility Sub Index 2.62
Calving Interval (days) -1.99 -1.459 2.90
Survival (%) -0.25 1.117 -0.28
Calving Sub Index 3.73
Gestation Length (days) -4.06 -0.919 3.73
Beef Sub Index 0.14
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) 7.73 -0.432 -3.34
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 9.42

* Based on an €80/tonne carbon price