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 20.12
Milk (kg) -309.00 -0.014 4.33
Fat (kg) -18.97 -0.375 7.11
Prot (kg) -19.68 -0.441 8.69
Fertility Sub Index 2.04
Calving Interval (days) -0.85 -1.459 1.24
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.91
Gestation Length (days) -0.99 -0.919 0.91
Beef Sub Index -1.46
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 3.01 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 21.71

* Based on an €80/tonne carbon price