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 15.97
Milk (kg) -322.00 -0.014 4.51
Fat (kg) -14.82 -0.375 5.55
Prot (kg) -13.40 -0.441 5.91
Fertility Sub Index 6.06
Calving Interval (days) -3.84 -1.459 5.60
Survival (%) 0.41 1.117 0.46
Calving Sub Index -0.96
Gestation Length (days) 1.04 -0.919 -0.96
Beef Sub Index 1.92
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -0.18 -0.432 0.08
Maintenance Sub Index Maint. Sub Index 0.52
Live WT (kg) -1.70 -0.307 0.52
Total Carbon Sub Index 23.52

* Based on an €80/tonne carbon price