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 3.33
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -2.74 -0.375 1.03
Prot (kg) -2.27 -0.441 1.00
Fertility Sub Index 5.46
Calving Interval (days) -2.21 -1.459 3.22
Survival (%) 2.00 1.117 2.23
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.68
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 16.03

* Based on an €80/tonne carbon price