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 4.53
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -1.46 -0.375 0.55
Prot (kg) -6.13 -0.441 2.71
Fertility Sub Index 3.78
Calving Interval (days) -2.09 -1.459 3.05
Survival (%) 0.65 1.117 0.73
Calving Sub Index 0.92
Gestation Length (days) -1.00 -0.919 0.92
Beef Sub Index 5.77
Carcass Weight (kg) -10.90 -0.528 5.75
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 8.28
Live WT (kg) -27.00 -0.307 8.28
Total Carbon Sub Index 23.27

* Based on an €80/tonne carbon price