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 -2.60
Milk (kg) -22.00 -0.014 0.31
Fat (kg) 7.45 -0.375 -2.79
Prot (kg) 0.27 -0.441 -0.12
Fertility Sub Index 0.32
Calving Interval (days) 0.09 -1.459 -0.13
Survival (%) 0.40 1.117 0.45
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 2.25
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 3.16

* Based on an €80/tonne carbon price