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 13.09
Milk (kg) -179.00 -0.014 2.51
Fat (kg) -13.33 -0.375 4.99
Prot (kg) -12.66 -0.441 5.59
Fertility Sub Index 0.16
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) -0.77 1.117 -0.86
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 3.73
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) -2.04 -0.432 0.88
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 20.78

* Based on an €80/tonne carbon price