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 2.69
Milk (kg) -125.00 -0.014 1.75
Fat (kg) 4.68 -0.375 -1.75
Prot (kg) -6.11 -0.441 2.70
Fertility Sub Index -1.04
Calving Interval (days) 0.99 -1.459 -1.44
Survival (%) 0.36 1.117 0.40
Calving Sub Index 1.40
Gestation Length (days) -1.52 -0.919 1.40
Beef Sub Index -1.20
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 3.02

* Based on an €80/tonne carbon price