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 1.25
Milk (kg) -71.00 -0.014 0.99
Fat (kg) 1.11 -0.375 -0.42
Prot (kg) -1.53 -0.441 0.68
Fertility Sub Index 3.29
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 0.89 1.117 0.99
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.25
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.84 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 13.63

* Based on an €80/tonne carbon price