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 10.66
Milk (kg) -191.00 -0.014 2.67
Fat (kg) -10.49 -0.375 3.93
Prot (kg) -9.20 -0.441 4.06
Fertility Sub Index -0.13
Calving Interval (days) 0.03 -1.459 -0.04
Survival (%) -0.08 1.117 -0.09
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.11
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.16 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 20.65

* Based on an €80/tonne carbon price