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 1.86
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -3.34 -0.375 1.25
Prot (kg) -0.83 -0.441 0.37
Fertility Sub Index 3.97
Calving Interval (days) -2.17 -1.459 3.17
Survival (%) 0.72 1.117 0.80
Calving Sub Index -0.20
Gestation Length (days) 0.22 -0.919 -0.20
Beef Sub Index 0.46
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 8.69

* Based on an €80/tonne carbon price