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 8.01
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -9.22 -0.375 3.45
Prot (kg) -6.27 -0.441 2.77
Fertility Sub Index 2.20
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) 0.92 1.117 1.03
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index -3.67
Carcass Weight (kg) 4.40 -0.528 -2.32
Age of Slaughter (days) 3.12 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index -2.70
Live WT (kg) 8.80 -0.307 -2.70
Total Carbon Sub Index 3.56

* Based on an €80/tonne carbon price