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 3.29
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -2.69 -0.375 1.01
Prot (kg) -2.92 -0.441 1.29
Fertility Sub Index 2.81
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) 0.61 1.117 0.68
Calving Sub Index 0.32
Gestation Length (days) -0.35 -0.919 0.32
Beef Sub Index 0.21
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 12.21

* Based on an €80/tonne carbon price