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 10.06
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -10.20 -0.375 3.82
Prot (kg) -10.08 -0.441 4.45
Fertility Sub Index -12.33
Calving Interval (days) 5.94 -1.459 -8.67
Survival (%) -3.28 1.117 -3.66
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index -1.15
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 2.30 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index -1.65

* Based on an €80/tonne carbon price