Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 0.16
Milk (kg) 4.00 -0.014 -0.06
Fat (kg) -1.99 -0.375 0.75
Prot (kg) 1.21 -0.441 -0.53
Fertility Sub Index -0.35
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) -0.35 1.117 -0.39
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index -4.06
Carcass Weight (kg) 4.40 -0.528 -2.32
Age of Slaughter (days) 4.03 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index -3.36

* Based on an €80/tonne carbon price