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 8.72
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -10.22 -0.375 3.83
Prot (kg) -6.70 -0.441 2.96
Fertility Sub Index 0.47
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) -1.08 1.117 -1.21
Calving Sub Index -1.24
Gestation Length (days) 1.35 -0.919 -1.24
Beef Sub Index -4.10
Carcass Weight (kg) 4.70 -0.528 -2.48
Age of Slaughter (days) 3.76 -0.432 -1.62
Maintenance Sub Index Maint. Sub Index -0.18
Live WT (kg) 0.60 -0.307 -0.18
Total Carbon Sub Index 3.66

* Based on an €80/tonne carbon price