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 3.04
Milk (kg) -28.00 -0.014 0.39
Fat (kg) 5.92 -0.375 -2.22
Prot (kg) -11.03 -0.441 4.87
Fertility Sub Index 4.84
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) 1.11 1.117 1.24
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.12
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 1.14 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 8.31

* Based on an €80/tonne carbon price