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 0.96
Milk (kg) -28.00 -0.014 0.39
Fat (kg) 0.89 -0.375 -0.33
Prot (kg) -2.04 -0.441 0.90
Fertility Sub Index -0.72
Calving Interval (days) 0.36 -1.459 -0.53
Survival (%) -0.17 1.117 -0.19
Calving Sub Index 0.19
Gestation Length (days) -0.21 -0.919 0.19
Beef Sub Index 0.51
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 3.94 -0.432 -1.70
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 2.25

* Based on an €80/tonne carbon price