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 7.11
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -7.60 -0.375 2.85
Prot (kg) -8.13 -0.441 3.59
Fertility Sub Index 5.90
Calving Interval (days) -3.23 -1.459 4.71
Survival (%) 1.06 1.117 1.18
Calving Sub Index 1.18
Gestation Length (days) -1.28 -0.919 1.18
Beef Sub Index 1.20
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 20.69

* Based on an €80/tonne carbon price