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 9.03
Milk (kg) -238.00 -0.014 3.33
Fat (kg) -8.07 -0.375 3.02
Prot (kg) -6.06 -0.441 2.67
Fertility Sub Index 5.44
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 0.47 1.117 0.53
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.39
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) -3.35 -0.432 1.45
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 19.36

* Based on an €80/tonne carbon price