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 7.70
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -4.67 -0.375 1.75
Prot (kg) -8.79 -0.441 3.88
Fertility Sub Index -5.90
Calving Interval (days) 3.28 -1.459 -4.79
Survival (%) -1.00 1.117 -1.12
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 0.19
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.50 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 3.21

* Based on an €80/tonne carbon price