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 3.07
Milk (kg) -176.00 -0.014 2.46
Fat (kg) 2.49 -0.375 -0.93
Prot (kg) -3.49 -0.441 1.54
Fertility Sub Index 4.19
Calving Interval (days) -1.66 -1.459 2.42
Survival (%) 1.58 1.117 1.77
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index -1.86
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 8.33 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 13.20

* Based on an €80/tonne carbon price