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 7.79
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -8.07 -0.375 3.02
Prot (kg) -7.37 -0.441 3.25
Fertility Sub Index -5.47
Calving Interval (days) 2.57 -1.459 -3.75
Survival (%) -1.54 1.117 -1.72
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.18
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 2.60

* Based on an €80/tonne carbon price