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 3.45
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -1.27 -0.375 0.48
Prot (kg) -3.81 -0.441 1.68
Fertility Sub Index 11.34
Calving Interval (days) -7.18 -1.459 10.48
Survival (%) 0.77 1.117 0.86
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.29
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 24.56

* Based on an €80/tonne carbon price