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 14.57
Milk (kg) -492.00 -0.014 6.89
Fat (kg) -7.14 -0.375 2.67
Prot (kg) -11.35 -0.441 5.01
Fertility Sub Index 6.67
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index -0.18
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 24.35

* Based on an €80/tonne carbon price