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 4.94
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -3.25 -0.375 1.22
Prot (kg) -3.16 -0.441 1.39
Fertility Sub Index 4.41
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 2.33 1.117 2.60
Calving Sub Index 1.12
Gestation Length (days) -1.22 -0.919 1.12
Beef Sub Index 1.03
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) -1.17 -0.432 0.51
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 14.27

* Based on an €80/tonne carbon price