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 11.64
Milk (kg) -253.00 -0.014 3.54
Fat (kg) -8.21 -0.375 3.08
Prot (kg) -11.39 -0.441 5.03
Fertility Sub Index 3.30
Calving Interval (days) -1.33 -1.459 1.94
Survival (%) 1.22 1.117 1.36
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.56
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 0.31 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 20.56

* Based on an €80/tonne carbon price