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 -0.22
Calving Interval (days) 1.14 -1.459 -1.66
Survival (%) 1.29 1.117 1.44
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index -2.11
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 8.30 -0.432 -3.58
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 4.94

* Based on an €80/tonne carbon price