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 8.19
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -7.15 -0.375 2.68
Prot (kg) -7.22 -0.441 3.19
Fertility Sub Index 8.78
Calving Interval (days) -4.47 -1.459 6.52
Survival (%) 2.02 1.117 2.26
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index -0.24
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.97 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 20.75

* Based on an €80/tonne carbon price