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 1.30
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -3.19 -0.375 1.19
Prot (kg) 0.08 -0.441 -0.04
Fertility Sub Index 2.81
Calving Interval (days) -1.64 -1.459 2.39
Survival (%) 0.37 1.117 0.41
Calving Sub Index -0.77
Gestation Length (days) 0.84 -0.919 -0.77
Beef Sub Index -2.68
Carcass Weight (kg) 8.80 -0.528 -4.64
Age of Slaughter (days) -4.54 -0.432 1.96
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 4.17

* Based on an €80/tonne carbon price