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 4.59
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -3.19 -0.375 1.19
Prot (kg) -3.88 -0.441 1.71
Fertility Sub Index -2.10
Calving Interval (days) 1.72 -1.459 -2.51
Survival (%) 0.37 1.117 0.41
Calving Sub Index -0.88
Gestation Length (days) 0.96 -0.919 -0.88
Beef Sub Index -1.34
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 6.65 -0.432 -2.87
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 4.47

* Based on an €80/tonne carbon price