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 0.62
Milk (kg) -24.00 -0.014 0.34
Fat (kg) 0.86 -0.375 -0.32
Prot (kg) -1.37 -0.441 0.60
Fertility Sub Index 6.74
Calving Interval (days) -4.07 -1.459 5.94
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.20
Gestation Length (days) -0.22 -0.919 0.20
Beef Sub Index 0.30
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.13 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 10.63

* Based on an €80/tonne carbon price