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 3.88
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -5.97 -0.375 2.24
Prot (kg) -2.36 -0.441 1.04
Fertility Sub Index 0.09
Calving Interval (days) -0.19 -1.459 0.28
Survival (%) -0.17 1.117 -0.19
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.03
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.87 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 5.42

* Based on an €80/tonne carbon price