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 4.54
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -0.32 -0.375 0.12
Prot (kg) -4.12 -0.441 1.82
Fertility Sub Index 0.64
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.31
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 6.65

* Based on an €80/tonne carbon price