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 0.80
Milk (kg) -80.00 -0.014 1.12
Fat (kg) 1.50 -0.375 -0.56
Prot (kg) -0.54 -0.441 0.24
Fertility Sub Index 1.58
Calving Interval (days) -0.83 -1.459 1.21
Survival (%) 0.33 1.117 0.37
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.57
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 4.37

* Based on an €80/tonne carbon price