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 1.12
Milk (kg) -31.00 -0.014 0.43
Fat (kg) 1.65 -0.375 -0.62
Prot (kg) -2.96 -0.441 1.31
Fertility Sub Index -1.08
Calving Interval (days) 0.28 -1.459 -0.41
Survival (%) -0.60 1.117 -0.67
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.21
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 1.25

* Based on an €80/tonne carbon price