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 5.03
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -4.56 -0.375 1.71
Prot (kg) -4.36 -0.441 1.92
Fertility Sub Index -7.75
Calving Interval (days) 3.53 -1.459 -5.15
Survival (%) -2.33 1.117 -2.60
Calving Sub Index 1.08
Gestation Length (days) -1.18 -0.919 1.08
Beef Sub Index -2.08
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 4.21 -0.432 -1.82
Maintenance Sub Index Maint. Sub Index -0.37
Live WT (kg) 1.20 -0.307 -0.37
Total Carbon Sub Index -4.08

* Based on an €80/tonne carbon price