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 2.27
Milk (kg) -77.00 -0.014 1.08
Fat (kg) 2.81 -0.375 -1.05
Prot (kg) -5.08 -0.441 2.24
Fertility Sub Index -0.16
Calving Interval (days) -0.05 -1.459 0.07
Survival (%) -0.21 1.117 -0.23
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.11
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 3.39

* Based on an €80/tonne carbon price