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 3.52
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) -6.63 -0.375 2.48
Prot (kg) -2.45 -0.441 1.08
Fertility Sub Index 2.51
Calving Interval (days) -1.10 -1.459 1.60
Survival (%) 0.81 1.117 0.90
Calving Sub Index 2.69
Gestation Length (days) -2.93 -0.919 2.69
Beef Sub Index 0.09
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 13.10

* Based on an €80/tonne carbon price