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 0.82
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -0.28 -0.375 0.10
Prot (kg) -0.88 -0.441 0.39
Fertility Sub Index 1.10
Calving Interval (days) -0.65 -1.459 0.95
Survival (%) 0.14 1.117 0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.38
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 3.98

* Based on an €80/tonne carbon price