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 3.10
Milk (kg) 17.00 -0.014 -0.24
Fat (kg) -4.07 -0.375 1.52
Prot (kg) -4.10 -0.441 1.81
Fertility Sub Index 6.33
Calving Interval (days) -3.58 -1.459 5.22
Survival (%) 0.99 1.117 1.11
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -0.09
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 12.74

* Based on an €80/tonne carbon price