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 6.30
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -7.12 -0.375 2.67
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index 2.21
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 0.36 1.117 0.40
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.25
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 12.14

* Based on an €80/tonne carbon price