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 1.67
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) -2.40 -0.375 0.90
Prot (kg) -2.31 -0.441 1.02
Fertility Sub Index 1.04
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) 0.16 1.117 0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.10
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 4.46

* Based on an €80/tonne carbon price