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 1.28
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -2.20 -0.375 0.82
Prot (kg) -0.93 -0.441 0.41
Fertility Sub Index 0.80
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.62
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 3.88

* Based on an €80/tonne carbon price