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 10.70
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -11.58 -0.375 4.34
Prot (kg) -11.62 -0.441 5.13
Fertility Sub Index 1.46
Calving Interval (days) -1.50 -1.459 2.19
Survival (%) -0.65 1.117 -0.73
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.82
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 14.44

* Based on an €80/tonne carbon price