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 4.46
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -6.78 -0.375 2.54
Prot (kg) -2.63 -0.441 1.16
Fertility Sub Index -2.04
Calving Interval (days) 0.99 -1.459 -1.44
Survival (%) -0.53 1.117 -0.59
Calving Sub Index -0.39
Gestation Length (days) 0.42 -0.919 -0.39
Beef Sub Index 0.44
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 4.22

* Based on an €80/tonne carbon price