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 8.31
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -9.83 -0.375 3.68
Prot (kg) -5.31 -0.441 2.34
Fertility Sub Index 0.90
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) 0.90 1.117 1.01
Calving Sub Index -1.57
Gestation Length (days) 1.71 -0.919 -1.57
Beef Sub Index -2.52
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) -0.15 -0.432 0.06
Maintenance Sub Index Maint. Sub Index -1.87
Live WT (kg) 6.10 -0.307 -1.87
Total Carbon Sub Index 3.24

* Based on an €80/tonne carbon price