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 11.24
Milk (kg) -295.00 -0.014 4.13
Fat (kg) -10.29 -0.375 3.85
Prot (kg) -7.37 -0.441 3.25
Fertility Sub Index 2.47
Calving Interval (days) -1.66 -1.459 2.42
Survival (%) 0.04 1.117 0.04
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.25
Carcass Weight (kg) 3.10 -0.528 -1.64
Age of Slaughter (days) -4.37 -0.432 1.89
Maintenance Sub Index Maint. Sub Index -3.16
Live WT (kg) 10.30 -0.307 -3.16
Total Carbon Sub Index 11.90

* Based on an €80/tonne carbon price