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 1.71
Milk (kg) -191.00 -0.014 2.67
Fat (kg) 5.11 -0.375 -1.91
Prot (kg) -2.15 -0.441 0.95
Fertility Sub Index 1.26
Calving Interval (days) -0.83 -1.459 1.21
Survival (%) 0.04 1.117 0.04
Calving Sub Index 0.97
Gestation Length (days) -1.06 -0.919 0.97
Beef Sub Index 0.32
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index 5.06

* Based on an €80/tonne carbon price