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 18.27
Milk (kg) -366.00 -0.014 5.12
Fat (kg) -15.37 -0.375 5.76
Prot (kg) -16.74 -0.441 7.39
Fertility Sub Index 3.21
Calving Interval (days) -1.80 -1.459 2.63
Survival (%) 0.52 1.117 0.58
Calving Sub Index 0.02
Gestation Length (days) -0.02 -0.919 0.02
Beef Sub Index 0.46
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.85 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 22.29

* Based on an €80/tonne carbon price