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 6.88
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -5.40 -0.375 2.02
Prot (kg) -6.22 -0.441 2.75
Fertility Sub Index 11.26
Calving Interval (days) -5.76 -1.459 8.40
Survival (%) 2.56 1.117 2.86
Calving Sub Index -0.09
Gestation Length (days) 0.10 -0.919 -0.09
Beef Sub Index 1.35
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 24.10

* Based on an €80/tonne carbon price