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 4.94
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) -6.72 -0.375 2.52
Prot (kg) -6.23 -0.441 2.75
Fertility Sub Index 3.50
Calving Interval (days) -1.78 -1.459 2.60
Survival (%) 0.81 1.117 0.90
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.16
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 10.34

* Based on an €80/tonne carbon price