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 6.61
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -7.12 -0.375 2.67
Prot (kg) -6.21 -0.441 2.74
Fertility Sub Index 10.04
Calving Interval (days) -4.69 -1.459 6.84
Survival (%) 2.86 1.117 3.20
Calving Sub Index -3.12
Gestation Length (days) 3.39 -0.919 -3.12
Beef Sub Index 3.47
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -3.89 -0.432 1.68
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 18.70

* Based on an €80/tonne carbon price