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 4.14
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -3.43 -0.375 1.28
Prot (kg) -2.34 -0.441 1.03
Fertility Sub Index -0.31
Calving Interval (days) 1.26 -1.459 -1.84
Survival (%) 1.37 1.117 1.53
Calving Sub Index -1.74
Gestation Length (days) 1.89 -0.919 -1.74
Beef Sub Index -0.68
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 3.05 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 3.22

* Based on an €80/tonne carbon price