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 1.08
Milk (kg) -13.00 -0.014 0.18
Fat (kg) 0.33 -0.375 -0.12
Prot (kg) -2.31 -0.441 1.02
Fertility Sub Index -2.02
Calving Interval (days) 1.07 -1.459 -1.56
Survival (%) -0.41 1.117 -0.46
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index 0.21
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.58 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -0.69

* Based on an €80/tonne carbon price