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 8.31
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -7.40 -0.375 2.77
Prot (kg) -6.94 -0.441 3.06
Fertility Sub Index 1.17
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) 0.85 1.117 0.95
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.13
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.08 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 18.84

* Based on an €80/tonne carbon price