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 4.32
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -5.55 -0.375 2.08
Prot (kg) -3.37 -0.441 1.49
Fertility Sub Index -0.99
Calving Interval (days) -0.53 -1.459 0.77
Survival (%) -1.58 1.117 -1.77
Calving Sub Index -1.09
Gestation Length (days) 1.19 -0.919 -1.09
Beef Sub Index 2.40
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) -4.46 -0.432 1.93
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 6.47

* Based on an €80/tonne carbon price