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 3.24
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -1.28 -0.375 0.48
Prot (kg) -2.68 -0.441 1.18
Fertility Sub Index 4.10
Calving Interval (days) -2.05 -1.459 2.99
Survival (%) 0.99 1.117 1.11
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.94
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.64 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 16.07

* Based on an €80/tonne carbon price