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 -1.01
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) 0.96 -0.375 -0.36
Prot (kg) 0.91 -0.441 -0.40
Fertility Sub Index -1.85
Calving Interval (days) 0.78 -1.459 -1.14
Survival (%) -0.64 1.117 -0.72
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.29
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 0.56 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index -2.43

* Based on an €80/tonne carbon price