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 10.32
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -14.16 -0.375 5.30
Prot (kg) -7.31 -0.441 3.23
Fertility Sub Index -2.54
Calving Interval (days) 1.32 -1.459 -1.93
Survival (%) -0.55 1.117 -0.61
Calving Sub Index -0.89
Gestation Length (days) 0.97 -0.919 -0.89
Beef Sub Index -3.72
Carcass Weight (kg) 5.50 -0.528 -2.90
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 4.55

* Based on an €80/tonne carbon price