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 2.72
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) -4.42 -0.375 1.66
Prot (kg) -2.51 -0.441 1.11
Fertility Sub Index -0.37
Calving Interval (days) 0.36 -1.459 -0.53
Survival (%) 0.14 1.117 0.16
Calving Sub Index 0.41
Gestation Length (days) -0.45 -0.919 0.41
Beef Sub Index 0.50
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.64 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index 4.05

* Based on an €80/tonne carbon price