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 17.89
Milk (kg) -337.00 -0.014 4.72
Fat (kg) -16.10 -0.375 6.03
Prot (kg) -16.18 -0.441 7.14
Fertility Sub Index 1.26
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) 0.23 1.117 0.26
Calving Sub Index 0.33
Gestation Length (days) -0.36 -0.919 0.33
Beef Sub Index 1.87
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) 3.12 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 22.55

* Based on an €80/tonne carbon price