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 4.34
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -4.33 -0.375 1.62
Prot (kg) -3.30 -0.441 1.46
Fertility Sub Index 0.70
Calving Interval (days) -0.46 -1.459 0.67
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.11
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 6.89

* Based on an €80/tonne carbon price