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 4.69
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -8.61 -0.375 3.22
Prot (kg) -3.25 -0.441 1.43
Fertility Sub Index 5.40
Calving Interval (days) -3.81 -1.459 5.56
Survival (%) -0.14 1.117 -0.16
Calving Sub Index 1.74
Gestation Length (days) -1.89 -0.919 1.74
Beef Sub Index -0.26
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 0.23 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 13.96

* Based on an €80/tonne carbon price