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 2.59
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -1.57 -0.375 0.59
Prot (kg) -3.15 -0.441 1.39
Fertility Sub Index 4.14
Calving Interval (days) -2.33 -1.459 3.40
Survival (%) 0.66 1.117 0.74
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.62
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 10.36

* Based on an €80/tonne carbon price