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 10.39
Milk (kg) -215.00 -0.014 3.01
Fat (kg) -3.99 -0.375 1.49
Prot (kg) -13.34 -0.441 5.89
Fertility Sub Index 3.29
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) 0.48 1.117 0.54
Calving Sub Index -1.36
Gestation Length (days) 1.48 -0.919 -1.36
Beef Sub Index 0.45
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.13 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 13.70

* Based on an €80/tonne carbon price