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 -2.25
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) 3.01 -0.375 -1.13
Prot (kg) 2.48 -0.441 -1.09
Fertility Sub Index 10.45
Calving Interval (days) -5.95 -1.459 8.68
Survival (%) 1.58 1.117 1.77
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.97
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 6.71
Live WT (kg) -21.90 -0.307 6.71
Total Carbon Sub Index 21.84

* Based on an €80/tonne carbon price