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 7.77
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -8.54 -0.375 3.20
Prot (kg) -5.34 -0.441 2.36
Fertility Sub Index 7.59
Calving Interval (days) -4.21 -1.459 6.14
Survival (%) 1.30 1.117 1.45
Calving Sub Index 1.32
Gestation Length (days) -1.44 -0.919 1.32
Beef Sub Index 3.00
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 0.39 -0.432 -0.17
Maintenance Sub Index Maint. Sub Index 5.61
Live WT (kg) -18.30 -0.307 5.61
Total Carbon Sub Index 25.29

* Based on an €80/tonne carbon price