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 5.10
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -5.01 -0.375 1.88
Prot (kg) -4.09 -0.441 1.81
Fertility Sub Index -0.04
Calving Interval (days) -0.46 -1.459 0.67
Survival (%) -0.64 1.117 -0.72
Calving Sub Index -0.66
Gestation Length (days) 0.72 -0.919 -0.66
Beef Sub Index 0.42
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.70 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 7.20

* Based on an €80/tonne carbon price