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 3.85
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -5.22 -0.441 2.30
Fertility Sub Index 10.42
Calving Interval (days) -5.11 -1.459 7.46
Survival (%) 2.65 1.117 2.96
Calving Sub Index -3.92
Gestation Length (days) 4.26 -0.919 -3.92
Beef Sub Index 1.80
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) -3.32 -0.432 1.43
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 13.47

* Based on an €80/tonne carbon price