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 8.03
Milk (kg) -191.00 -0.014 2.67
Fat (kg) -7.25 -0.375 2.72
Prot (kg) -5.99 -0.441 2.64
Fertility Sub Index 7.69
Calving Interval (days) -3.66 -1.459 5.34
Survival (%) 2.10 1.117 2.35
Calving Sub Index -1.48
Gestation Length (days) 1.61 -0.919 -1.48
Beef Sub Index -2.48
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 17.22

* Based on an €80/tonne carbon price