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 21.06
Milk (kg) -498.00 -0.014 6.97
Fat (kg) -21.83 -0.375 8.18
Prot (kg) -13.40 -0.441 5.91
Fertility Sub Index 6.37
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 1.77 1.117 1.98
Calving Sub Index 1.68
Gestation Length (days) -1.83 -0.919 1.68
Beef Sub Index 2.48
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -3.19 -0.432 1.38
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 37.45

* Based on an €80/tonne carbon price