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 5.10
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -5.53 -0.375 2.07
Prot (kg) -1.81 -0.441 0.80
Fertility Sub Index 1.81
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) 1.63 1.117 1.82
Calving Sub Index 2.04
Gestation Length (days) -2.22 -0.919 2.04
Beef Sub Index -0.58
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 4.76 -0.432 -2.05
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 11.92

* Based on an €80/tonne carbon price