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 7.65
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -2.77 -0.375 1.04
Prot (kg) -9.36 -0.441 4.13
Fertility Sub Index 1.39
Calving Interval (days) -0.92 -1.459 1.34
Survival (%) 0.04 1.117 0.04
Calving Sub Index -1.28
Gestation Length (days) 1.39 -0.919 -1.28
Beef Sub Index 0.25
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.58 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 12.78

* Based on an €80/tonne carbon price