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 5.13
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.90 -0.375 1.84
Prot (kg) -4.25 -0.441 1.88
Fertility Sub Index 5.60
Calving Interval (days) -3.51 -1.459 5.12
Survival (%) 0.43 1.117 0.48
Calving Sub Index -0.31
Gestation Length (days) 0.34 -0.919 -0.31
Beef Sub Index 2.17
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 0.36 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 15.34

* Based on an €80/tonne carbon price