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 2.69
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -2.58 -0.375 0.97
Prot (kg) -2.58 -0.441 1.14
Fertility Sub Index -0.33
Calving Interval (days) -0.05 -1.459 0.07
Survival (%) -0.36 1.117 -0.40
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.35
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.27 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 4.26

* Based on an €80/tonne carbon price