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 20.36
Milk (kg) -460.00 -0.014 6.44
Fat (kg) -22.05 -0.375 8.26
Prot (kg) -12.83 -0.441 5.66
Fertility Sub Index 2.91
Calving Interval (days) -1.45 -1.459 2.12
Survival (%) 0.71 1.117 0.79
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.47
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -3.40 -0.432 1.47
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 32.70

* Based on an €80/tonne carbon price