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 6.10
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -4.58 -0.375 1.72
Prot (kg) -4.60 -0.441 2.03
Fertility Sub Index 6.37
Calving Interval (days) -3.87 -1.459 5.65
Survival (%) 0.65 1.117 0.73
Calving Sub Index 1.17
Gestation Length (days) -1.27 -0.919 1.17
Beef Sub Index -2.45
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 12.42

* Based on an €80/tonne carbon price