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 4.16
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -4.04 -0.375 1.51
Prot (kg) -4.31 -0.441 1.90
Fertility Sub Index 2.11
Calving Interval (days) -1.47 -1.459 2.14
Survival (%) -0.03 1.117 -0.03
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index 2.98
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 0.43 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 14.35

* Based on an €80/tonne carbon price