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 4.22
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -5.78 -0.375 2.16
Prot (kg) -3.26 -0.441 1.44
Fertility Sub Index -3.08
Calving Interval (days) 1.01 -1.459 -1.47
Survival (%) -1.44 1.117 -1.61
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -4.93
Carcass Weight (kg) 5.00 -0.528 -2.64
Age of Slaughter (days) 5.31 -0.432 -2.29
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index -3.48

* Based on an €80/tonne carbon price