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 7.22
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -11.69 -0.375 4.38
Prot (kg) -5.87 -0.441 2.59
Fertility Sub Index -1.77
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) -1.57 1.117 -1.75
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index 1.39
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 10.35

* Based on an €80/tonne carbon price