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 9.04
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -8.23 -0.375 3.08
Prot (kg) -8.07 -0.441 3.56
Fertility Sub Index 1.64
Calving Interval (days) -0.94 -1.459 1.37
Survival (%) 0.24 1.117 0.27
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.11
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 11.94

* Based on an €80/tonne carbon price