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 4.75
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -0.46 -0.375 0.17
Prot (kg) -4.67 -0.441 2.06
Fertility Sub Index -9.24
Calving Interval (days) 4.87 -1.459 -7.11
Survival (%) -1.91 1.117 -2.13
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.88
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) 0.45 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index -2.05
Live WT (kg) 6.70 -0.307 -2.05
Total Carbon Sub Index -7.97

* Based on an €80/tonne carbon price