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 6.20
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -3.50 -0.375 1.31
Prot (kg) -7.27 -0.441 3.21
Fertility Sub Index 0.43
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) -0.03 1.117 -0.03
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index 0.60
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index -3.22
Live WT (kg) 10.50 -0.307 -3.22
Total Carbon Sub Index 4.39

* Based on an €80/tonne carbon price