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 10.38
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -5.25 -0.375 1.97
Prot (kg) -13.83 -0.441 6.10
Fertility Sub Index 0.39
Calving Interval (days) -0.44 -1.459 0.64
Survival (%) -0.23 1.117 -0.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.00
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.10 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 13.56

* Based on an €80/tonne carbon price