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 -4.17
Milk (kg) 27.00 -0.014 -0.38
Fat (kg) 6.11 -0.375 -2.29
Prot (kg) 3.41 -0.441 -1.51
Fertility Sub Index 2.32
Calving Interval (days) -0.84 -1.459 1.23
Survival (%) 0.98 1.117 1.09
Calving Sub Index 2.04
Gestation Length (days) -2.22 -0.919 2.04
Beef Sub Index 1.83
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 2.11 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 6.32

* Based on an €80/tonne carbon price