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 -3.80
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 4.95 -0.375 -1.85
Prot (kg) 4.37 -0.441 -1.93
Fertility Sub Index 3.65
Calving Interval (days) -1.80 -1.459 2.63
Survival (%) 0.92 1.117 1.03
Calving Sub Index 1.36
Gestation Length (days) -1.48 -0.919 1.36
Beef Sub Index 0.47
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 4.29 -0.432 -1.85
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 3.03

* Based on an €80/tonne carbon price