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 3.59
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -2.88 -0.375 1.08
Prot (kg) -3.18 -0.441 1.40
Fertility Sub Index 4.52
Calving Interval (days) -2.21 -1.459 3.22
Survival (%) 1.16 1.117 1.30
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.11
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 17.14

* Based on an €80/tonne carbon price