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 2.82
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -2.99 -0.375 1.12
Prot (kg) -3.66 -0.441 1.62
Fertility Sub Index -5.57
Calving Interval (days) 2.68 -1.459 -3.91
Survival (%) -1.49 1.117 -1.66
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.14
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 0.71
Live WT (kg) -2.30 -0.307 0.71
Total Carbon Sub Index -2.47

* Based on an €80/tonne carbon price