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 36.18
Milk (kg) -977.00 -0.014 13.68
Fat (kg) -26.80 -0.375 10.04
Prot (kg) -28.25 -0.441 12.47
Fertility Sub Index 6.14
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) 1.97 1.117 2.20
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index -2.30
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 8.27 -0.432 -3.57
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 44.37

* Based on an €80/tonne carbon price