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 19.13
Milk (kg) -401.00 -0.014 5.61
Fat (kg) -15.67 -0.375 5.87
Prot (kg) -17.33 -0.441 7.65
Fertility Sub Index 0.38
Calving Interval (days) -0.22 -1.459 0.32
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.29
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 21.22

* Based on an €80/tonne carbon price