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 12.53
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -10.50 -0.375 3.93
Prot (kg) -14.40 -0.441 6.36
Fertility Sub Index -5.39
Calving Interval (days) 2.26 -1.459 -3.30
Survival (%) -1.87 1.117 -2.09
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 0.25
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 9.97

* Based on an €80/tonne carbon price