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 9.26
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -8.79 -0.375 3.29
Prot (kg) -9.02 -0.441 3.98
Fertility Sub Index -1.98
Calving Interval (days) 0.80 -1.459 -1.17
Survival (%) -0.73 1.117 -0.82
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index 2.20
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 2.12 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 15.26

* Based on an €80/tonne carbon price