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 9.09
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -8.44 -0.375 3.16
Prot (kg) -8.38 -0.441 3.70
Fertility Sub Index 6.36
Calving Interval (days) -4.07 -1.459 5.94
Survival (%) 0.38 1.117 0.42
Calving Sub Index -0.17
Gestation Length (days) 0.18 -0.919 -0.17
Beef Sub Index 0.36
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 18.46

* Based on an €80/tonne carbon price