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 13.28
Milk (kg) -318.00 -0.014 4.45
Fat (kg) -10.28 -0.375 3.85
Prot (kg) -11.27 -0.441 4.97
Fertility Sub Index 8.18
Calving Interval (days) -5.30 -1.459 7.73
Survival (%) 0.40 1.117 0.45
Calving Sub Index -1.42
Gestation Length (days) 1.54 -0.919 -1.42
Beef Sub Index 0.14
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) -1.17 -0.432 0.51
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 21.81

* Based on an €80/tonne carbon price