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 0.89
Milk (kg) 57.00 -0.014 -0.80
Fat (kg) -4.49 -0.375 1.68
Prot (kg) -0.01 -0.441 0.00
Fertility Sub Index -1.10
Calving Interval (days) 1.03 -1.459 -1.50
Survival (%) 0.36 1.117 0.40
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index -0.73
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 5.24 -0.432 -2.26
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 1.26

* Based on an €80/tonne carbon price