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 6.43
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -5.30 -0.375 1.99
Prot (kg) -5.08 -0.441 2.24
Fertility Sub Index 1.11
Calving Interval (days) -0.74 -1.459 1.08
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.40
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 10.01

* Based on an €80/tonne carbon price