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 3.44
Milk (kg) -241.00 -0.014 3.37
Fat (kg) 2.51 -0.375 -0.94
Prot (kg) -2.29 -0.441 1.01
Fertility Sub Index 5.79
Calving Interval (days) -3.90 -1.459 5.69
Survival (%) 0.09 1.117 0.10
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index -0.03
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.39 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 17.26

* Based on an €80/tonne carbon price