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 8.85
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -8.96 -0.375 3.36
Prot (kg) -7.38 -0.441 3.26
Fertility Sub Index -1.06
Calving Interval (days) 0.51 -1.459 -0.74
Survival (%) -0.28 1.117 -0.31
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 0.68
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 18.12

* Based on an €80/tonne carbon price