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 2.30
Milk (kg) -89.00 -0.014 1.25
Fat (kg) 1.88 -0.375 -0.70
Prot (kg) -3.99 -0.441 1.76
Fertility Sub Index 4.01
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 0.61 1.117 0.68
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index -2.71
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 7.98 -0.432 -3.44
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 7.16

* Based on an €80/tonne carbon price