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 3.71
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -3.05 -0.375 1.14
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index 5.29
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 1.35 1.117 1.51
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.40
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.78 -0.432 0.77
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 21.73

* Based on an €80/tonne carbon price