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 3.84
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -2.91 -0.375 1.09
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index 0.09
Calving Interval (days) -0.39 -1.459 0.57
Survival (%) -0.43 1.117 -0.48
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.58
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.32 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 6.35

* Based on an €80/tonne carbon price