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 5.57
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -7.68 -0.375 2.88
Prot (kg) -4.36 -0.441 1.92
Fertility Sub Index 9.80
Calving Interval (days) -5.69 -1.459 8.30
Survival (%) 1.34 1.117 1.50
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index 0.13
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 18.13

* Based on an €80/tonne carbon price