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 2.70
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -1.53 -0.375 0.57
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 1.45
Calving Interval (days) -0.84 -1.459 1.23
Survival (%) 0.20 1.117 0.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.17
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 5.93

* Based on an €80/tonne carbon price