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 6.39
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -5.75 -0.375 2.15
Prot (kg) -4.59 -0.441 2.03
Fertility Sub Index 7.18
Calving Interval (days) -3.46 -1.459 5.05
Survival (%) 1.91 1.117 2.13
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.05
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 3.05 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 21.77

* Based on an €80/tonne carbon price