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 0.86
Milk (kg) -30.00 -0.014 0.42
Fat (kg) 1.43 -0.375 -0.54
Prot (kg) -2.20 -0.441 0.97
Fertility Sub Index 0.89
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.01 1.117 0.01
Calving Sub Index -1.40
Gestation Length (days) 1.52 -0.919 -1.40
Beef Sub Index 0.04
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 2.44

* Based on an €80/tonne carbon price