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 13.99
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -18.77 -0.375 7.03
Prot (kg) -10.05 -0.441 4.44
Fertility Sub Index 5.33
Calving Interval (days) -2.81 -1.459 4.10
Survival (%) 1.10 1.117 1.23
Calving Sub Index -1.69
Gestation Length (days) 1.84 -0.919 -1.69
Beef Sub Index -2.12
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 4.42 -0.432 -1.91
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 19.36

* Based on an €80/tonne carbon price