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 3.21
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -6.38 -0.375 2.39
Prot (kg) -0.68 -0.441 0.30
Fertility Sub Index 1.01
Calving Interval (days) -0.56 -1.459 0.82
Survival (%) 0.17 1.117 0.19
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.47
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.43 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 6.46

* Based on an €80/tonne carbon price