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 -20.03
Milk (kg) 209.00 -0.014 -2.93
Fat (kg) 22.64 -0.375 -8.48
Prot (kg) 19.54 -0.441 -8.62
Fertility Sub Index 2.59
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) 0.52 1.117 0.58
Calving Sub Index 4.50
Gestation Length (days) -4.90 -0.919 4.50
Beef Sub Index 2.72
Carcass Weight (kg) -6.70 -0.528 3.53
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index -3.37
Live WT (kg) 11.00 -0.307 -3.37
Total Carbon Sub Index -13.59

* Based on an €80/tonne carbon price