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 4.68
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -2.78 -0.375 1.04
Prot (kg) -3.62 -0.441 1.60
Fertility Sub Index -2.05
Calving Interval (days) 1.14 -1.459 -1.66
Survival (%) -0.35 1.117 -0.39
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.03
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 4.09

* Based on an €80/tonne carbon price