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 6.37
Milk (kg) -488.00 -0.014 6.83
Fat (kg) 4.12 -0.375 -1.54
Prot (kg) -2.46 -0.441 1.09
Fertility Sub Index 5.87
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 0.92 1.117 1.03
Calving Sub Index 1.01
Gestation Length (days) -1.10 -0.919 1.01
Beef Sub Index 1.83
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) 4.43 -0.432 -1.91
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 18.52

* Based on an €80/tonne carbon price