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 0.62
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -1.63 -0.375 0.61
Prot (kg) 2.58 -0.441 -1.14
Fertility Sub Index -1.23
Calving Interval (days) 0.36 -1.459 -0.53
Survival (%) -0.63 1.117 -0.70
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index -1.31
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 1.07 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index -0.80
Live WT (kg) 2.60 -0.307 -0.80
Total Carbon Sub Index -2.37

* Based on an €80/tonne carbon price