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 5.41
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -4.72 -0.375 1.77
Prot (kg) -6.16 -0.441 2.72
Fertility Sub Index 1.40
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.75
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 9.24

* Based on an €80/tonne carbon price