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 2.53
Milk (kg) -68.00 -0.014 0.95
Fat (kg) 1.73 -0.375 -0.65
Prot (kg) -5.04 -0.441 2.22
Fertility Sub Index -0.51
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) -0.38 1.117 -0.42
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.24
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.40 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index 3.36

* Based on an €80/tonne carbon price