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 2.32
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -5.15 -0.375 1.93
Prot (kg) -0.09 -0.441 0.04
Fertility Sub Index 14.01
Calving Interval (days) -7.48 -1.459 10.91
Survival (%) 2.77 1.117 3.09
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 3.69
Carcass Weight (kg) -6.50 -0.528 3.43
Age of Slaughter (days) -0.60 -0.432 0.26
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 30.35

* Based on an €80/tonne carbon price