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 3.89
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -1.21 -0.375 0.45
Prot (kg) -4.59 -0.441 2.03
Fertility Sub Index -1.14
Calving Interval (days) 1.22 -1.459 -1.78
Survival (%) 0.57 1.117 0.64
Calving Sub Index -0.21
Gestation Length (days) 0.23 -0.919 -0.21
Beef Sub Index -0.98
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 2.77 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 2.60

* Based on an €80/tonne carbon price