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 5.24
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -4.33 -0.375 1.62
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index -1.16
Calving Interval (days) 1.41 -1.459 -2.06
Survival (%) 0.80 1.117 0.89
Calving Sub Index -1.28
Gestation Length (days) 1.39 -0.919 -1.28
Beef Sub Index -0.10
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 4.64 -0.432 -2.00
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 7.63

* Based on an €80/tonne carbon price