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 1.10
Milk (kg) -28.00 -0.014 0.39
Fat (kg) -1.46 -0.375 0.55
Prot (kg) -0.36 -0.441 0.16
Fertility Sub Index -0.21
Calving Interval (days) 1.13 -1.459 -1.65
Survival (%) 1.29 1.117 1.44
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index -2.12
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 8.34 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 4.97

* Based on an €80/tonne carbon price