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 0.15
Milk (kg) 7.00 -0.014 -0.10
Fat (kg) -3.79 -0.375 1.42
Prot (kg) 2.65 -0.441 -1.17
Fertility Sub Index -1.14
Calving Interval (days) 0.66 -1.459 -0.96
Survival (%) -0.16 1.117 -0.18
Calving Sub Index 1.62
Gestation Length (days) -1.76 -0.919 1.62
Beef Sub Index 0.42
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.24 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 2.00

* Based on an €80/tonne carbon price