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 1.50
Milk (kg) -58.00 -0.014 0.81
Fat (kg) 0.88 -0.375 -0.33
Prot (kg) -2.31 -0.441 1.02
Fertility Sub Index 1.67
Calving Interval (days) -1.22 -1.459 1.78
Survival (%) -0.10 1.117 -0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.35
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.86 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 5.31

* Based on an €80/tonne carbon price