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 14.39
Milk (kg) -311.00 -0.014 4.35
Fat (kg) -11.78 -0.375 4.41
Prot (kg) -12.74 -0.441 5.62
Fertility Sub Index 4.35
Calving Interval (days) -4.28 -1.459 6.24
Survival (%) -1.70 1.117 -1.90
Calving Sub Index -3.58
Gestation Length (days) 3.90 -0.919 -3.58
Beef Sub Index 2.51
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -4.10 -0.432 1.77
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 20.18

* Based on an €80/tonne carbon price