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 7.70
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -6.71 -0.375 2.51
Prot (kg) -6.68 -0.441 2.95
Fertility Sub Index 1.12
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) -0.34 1.117 -0.38
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index -0.01
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.24 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 11.55

* Based on an €80/tonne carbon price