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 23.59
Milk (kg) -591.00 -0.014 8.27
Fat (kg) -19.68 -0.375 7.37
Prot (kg) -18.01 -0.441 7.95
Fertility Sub Index 6.43
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) 0.86 1.117 0.96
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.03
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) -3.23 -0.432 1.39
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 35.10

* Based on an €80/tonne carbon price