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 3.59
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -2.88 -0.375 1.08
Prot (kg) -3.18 -0.441 1.40
Fertility Sub Index 8.20
Calving Interval (days) -3.89 -1.459 5.68
Survival (%) 2.26 1.117 2.52
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.55
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.20 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 22.57

* Based on an €80/tonne carbon price