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 2.60
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -0.89 -0.375 0.33
Prot (kg) -2.60 -0.441 1.15
Fertility Sub Index -2.37
Calving Interval (days) 1.89 -1.459 -2.76
Survival (%) 0.35 1.117 0.39
Calving Sub Index 1.44
Gestation Length (days) -1.57 -0.919 1.44
Beef Sub Index 0.52
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.36 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 4.19

* Based on an €80/tonne carbon price