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 4.20
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -3.17 -0.375 1.19
Prot (kg) -3.71 -0.441 1.64
Fertility Sub Index -2.46
Calving Interval (days) 1.19 -1.459 -1.74
Survival (%) -0.65 1.117 -0.73
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 1.53
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.13 -0.432 0.06
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 13.15

* Based on an €80/tonne carbon price