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 3.28
Milk (kg) -154.00 -0.014 2.16
Fat (kg) 0.05 -0.375 -0.02
Prot (kg) -2.59 -0.441 1.14
Fertility Sub Index -1.67
Calving Interval (days) 1.03 -1.459 -1.50
Survival (%) -0.15 1.117 -0.17
Calving Sub Index 3.51
Gestation Length (days) -3.82 -0.919 3.51
Beef Sub Index -0.07
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index -0.95
Live WT (kg) 3.10 -0.307 -0.95
Total Carbon Sub Index 4.09

* Based on an €80/tonne carbon price