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 6.20
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -3.38 -0.375 1.27
Prot (kg) -6.67 -0.441 2.94
Fertility Sub Index 1.20
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.29 1.117 0.32
Calving Sub Index -0.16
Gestation Length (days) 0.17 -0.919 -0.16
Beef Sub Index 0.01
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.05 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index -2.02
Live WT (kg) 6.60 -0.307 -2.02
Total Carbon Sub Index 5.24

* Based on an €80/tonne carbon price