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 11.21
Milk (kg) -267.00 -0.014 3.74
Fat (kg) -6.92 -0.375 2.59
Prot (kg) -11.05 -0.441 4.88
Fertility Sub Index 4.25
Calving Interval (days) -2.52 -1.459 3.68
Survival (%) 0.51 1.117 0.57
Calving Sub Index 1.37
Gestation Length (days) -1.49 -0.919 1.37
Beef Sub Index 4.31
Carcass Weight (kg) -8.60 -0.528 4.54
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 25.18

* Based on an €80/tonne carbon price