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 4.68
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -2.46 -0.375 0.92
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index 9.68
Calving Interval (days) -5.41 -1.459 7.89
Survival (%) 1.60 1.117 1.79
Calving Sub Index 2.10
Gestation Length (days) -2.28 -0.919 2.10
Beef Sub Index 2.74
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 21.28

* Based on an €80/tonne carbon price