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 7.43
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -6.56 -0.375 2.46
Prot (kg) -7.46 -0.441 3.29
Fertility Sub Index 2.30
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) 0.27 1.117 0.30
Calving Sub Index -0.03
Gestation Length (days) 0.03 -0.919 -0.03
Beef Sub Index -1.45
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 9.60

* Based on an €80/tonne carbon price