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 4.21
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -2.01 -0.375 0.75
Prot (kg) -4.31 -0.441 1.90
Fertility Sub Index -0.24
Calving Interval (days) 0.14 -1.459 -0.20
Survival (%) -0.03 1.117 -0.03
Calving Sub Index 1.47
Gestation Length (days) -1.60 -0.919 1.47
Beef Sub Index -2.40
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 5.07 -0.432 -2.19
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 5.89

* Based on an €80/tonne carbon price