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 -1.57
Milk (kg) -3.00 -0.014 0.04
Fat (kg) 3.26 -0.375 -1.22
Prot (kg) 0.89 -0.441 -0.39
Fertility Sub Index -1.18
Calving Interval (days) 0.53 -1.459 -0.77
Survival (%) -0.36 1.117 -0.40
Calving Sub Index 0.20
Gestation Length (days) -0.22 -0.919 0.20
Beef Sub Index -0.34
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 1.40 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index -2.43

* Based on an €80/tonne carbon price