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 1.17
Milk (kg) -12.00 -0.014 0.17
Fat (kg) 0.00 -0.375 0.00
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 0.66
Calving Interval (days) -0.46 -1.459 0.67
Survival (%) -0.01 1.117 -0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.10
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -0.22 -0.432 0.09
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 4.42

* Based on an €80/tonne carbon price