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 15.04
Milk (kg) -334.00 -0.014 4.68
Fat (kg) -12.47 -0.375 4.67
Prot (kg) -12.89 -0.441 5.69
Fertility Sub Index 4.61
Calving Interval (days) -4.27 -1.459 6.23
Survival (%) -1.45 1.117 -1.62
Calving Sub Index -2.90
Gestation Length (days) 3.15 -0.919 -2.90
Beef Sub Index 2.89
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -3.64 -0.432 1.57
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 22.33

* Based on an €80/tonne carbon price