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 6.24
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -5.92 -0.375 2.22
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index 9.33
Calving Interval (days) -4.67 -1.459 6.81
Survival (%) 2.25 1.117 2.51
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.75
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 3.27 -0.432 -1.41
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 22.58

* Based on an €80/tonne carbon price