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 6.18
Milk (kg) -64.00 -0.014 0.90
Fat (kg) -8.40 -0.375 3.15
Prot (kg) -4.84 -0.441 2.14
Fertility Sub Index 1.34
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 0.68 1.117 0.76
Calving Sub Index -0.69
Gestation Length (days) 0.75 -0.919 -0.69
Beef Sub Index -2.30
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 0.00
Live WT (kg) 0.00 -0.307 0.00
Total Carbon Sub Index 4.54

* Based on an €80/tonne carbon price