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 3.02
Milk (kg) -89.00 -0.014 1.25
Fat (kg) 2.19 -0.375 -0.82
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index 1.21
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.16 1.117 0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.66 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 5.92

* Based on an €80/tonne carbon price