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 2.22
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -1.23 -0.375 0.46
Prot (kg) -1.22 -0.441 0.54
Fertility Sub Index 1.52
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) 1.01 1.117 1.13
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.50
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 1.17 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 16.03

* Based on an €80/tonne carbon price