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 -13.68
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) 22.15 -0.375 -8.30
Prot (kg) 11.92 -0.441 -5.26
Fertility Sub Index 12.41
Calving Interval (days) -6.14 -1.459 8.96
Survival (%) 3.09 1.117 3.45
Calving Sub Index 3.88
Gestation Length (days) -4.22 -0.919 3.88
Beef Sub Index 1.77
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 2.61 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 7.75

* Based on an €80/tonne carbon price