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 3.87
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -5.92 -0.375 2.22
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 6.69
Calving Interval (days) -2.88 -1.459 4.20
Survival (%) 2.23 1.117 2.49
Calving Sub Index 0.54
Gestation Length (days) -0.59 -0.919 0.54
Beef Sub Index -5.05
Carcass Weight (kg) 8.00 -0.528 -4.22
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index -1.84
Live WT (kg) 6.00 -0.307 -1.84
Total Carbon Sub Index 4.22

* Based on an €80/tonne carbon price