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 4.25
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -1.74 -0.375 0.65
Prot (kg) -3.72 -0.441 1.64
Fertility Sub Index 4.22
Calving Interval (days) -1.72 -1.459 2.51
Survival (%) 1.53 1.117 1.71
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.56
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -2.87 -0.432 1.24
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 21.34

* Based on an €80/tonne carbon price