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 8.23
Milk (kg) -223.00 -0.014 3.12
Fat (kg) -6.64 -0.375 2.49
Prot (kg) -5.94 -0.441 2.62
Fertility Sub Index 6.81
Calving Interval (days) -2.95 -1.459 4.30
Survival (%) 2.24 1.117 2.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.16
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.30 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 23.51

* Based on an €80/tonne carbon price