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 9.51
Milk (kg) -240.00 -0.014 3.36
Fat (kg) -7.82 -0.375 2.93
Prot (kg) -7.29 -0.441 3.22
Fertility Sub Index 7.16
Calving Interval (days) -4.33 -1.459 6.32
Survival (%) 0.75 1.117 0.84
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index 0.36
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 19.07

* Based on an €80/tonne carbon price