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 2.68
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -1.18 -0.375 0.44
Prot (kg) -2.29 -0.441 1.01
Fertility Sub Index 7.01
Calving Interval (days) -3.33 -1.459 4.86
Survival (%) 1.93 1.117 2.16
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.32
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -0.86 -0.432 0.37
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 22.05

* Based on an €80/tonne carbon price