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 6.48
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -3.50 -0.375 1.31
Prot (kg) -6.16 -0.441 2.72
Fertility Sub Index -0.31
Calving Interval (days) 0.10 -1.459 -0.15
Survival (%) -0.15 1.117 -0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.03
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.27 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 8.54

* Based on an €80/tonne carbon price