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 6.28
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -6.91 -0.375 2.59
Prot (kg) -5.52 -0.441 2.44
Fertility Sub Index 6.10
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index 0.17
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.18 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 15.51

* Based on an €80/tonne carbon price