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 4.70
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -2.05 -0.375 0.77
Prot (kg) -5.62 -0.441 2.48
Fertility Sub Index 7.35
Calving Interval (days) -5.39 -1.459 7.86
Survival (%) -0.46 1.117 -0.51
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index 1.78
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 17.23

* Based on an €80/tonne carbon price