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 8.46
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -8.66 -0.375 3.24
Prot (kg) -5.82 -0.441 2.57
Fertility Sub Index 3.29
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) 0.20 1.117 0.22
Calving Sub Index 1.28
Gestation Length (days) -1.39 -0.919 1.28
Beef Sub Index 0.52
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 15.38

* Based on an €80/tonne carbon price