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 8.13
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -11.71 -0.375 4.39
Prot (kg) -5.57 -0.441 2.46
Fertility Sub Index -4.00
Calving Interval (days) 2.05 -1.459 -2.99
Survival (%) -0.90 1.117 -1.01
Calving Sub Index -0.88
Gestation Length (days) 0.96 -0.919 -0.88
Beef Sub Index -2.63
Carcass Weight (kg) 5.40 -0.528 -2.85
Age of Slaughter (days) -0.51 -0.432 0.22
Maintenance Sub Index Maint. Sub Index -1.66
Live WT (kg) 5.40 -0.307 -1.66
Total Carbon Sub Index -1.03

* Based on an €80/tonne carbon price