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 20.62
Milk (kg) -380.00 -0.014 5.32
Fat (kg) -17.56 -0.375 6.58
Prot (kg) -19.77 -0.441 8.73
Fertility Sub Index -1.21
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) -1.45 1.117 -1.62
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.56
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 24.44

* Based on an €80/tonne carbon price