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 18.06
Milk (kg) -312.00 -0.014 4.37
Fat (kg) -18.70 -0.375 7.00
Prot (kg) -15.16 -0.441 6.69
Fertility Sub Index -0.05
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) -0.63 1.117 -0.70
Calving Sub Index 1.04
Gestation Length (days) -1.13 -0.919 1.04
Beef Sub Index 0.51
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.72 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 22.69

* Based on an €80/tonne carbon price