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 3.95
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) -6.30 -0.375 2.36
Prot (kg) -4.33 -0.441 1.91
Fertility Sub Index -11.25
Calving Interval (days) 3.45 -1.459 -5.03
Survival (%) -5.56 1.117 -6.21
Calving Sub Index 2.15
Gestation Length (days) -2.34 -0.919 2.15
Beef Sub Index 0.10
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 5.14 -0.432 -2.22
Maintenance Sub Index Maint. Sub Index -0.18
Live WT (kg) 0.60 -0.307 -0.18
Total Carbon Sub Index -5.22

* Based on an €80/tonne carbon price