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 10.85
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -6.03 -0.375 2.26
Prot (kg) -13.98 -0.441 6.17
Fertility Sub Index 0.38
Calving Interval (days) -0.04 -1.459 0.06
Survival (%) 0.29 1.117 0.32
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.05
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 13.22

* Based on an €80/tonne carbon price