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 6.71
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) 1.75 1.117 1.96
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.62
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.29 -0.432 0.99
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 23.37

* Based on an €80/tonne carbon price