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 4.77
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -0.98 -0.375 0.37
Prot (kg) -4.04 -0.441 1.78
Fertility Sub Index 4.26
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 1.59 1.117 1.78
Calving Sub Index 0.74
Gestation Length (days) -0.80 -0.919 0.74
Beef Sub Index -1.77
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 8.50 -0.432 -3.67
Maintenance Sub Index Maint. Sub Index 7.23
Live WT (kg) -23.60 -0.307 7.23
Total Carbon Sub Index 15.22

* Based on an €80/tonne carbon price