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 5.38
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -6.60 -0.375 2.47
Prot (kg) -2.98 -0.441 1.32
Fertility Sub Index 4.84
Calving Interval (days) -1.85 -1.459 2.70
Survival (%) 1.92 1.117 2.15
Calving Sub Index -1.05
Gestation Length (days) 1.14 -0.919 -1.05
Beef Sub Index -4.07
Carcass Weight (kg) 5.60 -0.528 -2.95
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 5.26

* Based on an €80/tonne carbon price