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 4.54
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -4.51 -0.375 1.69
Prot (kg) -3.83 -0.441 1.69
Fertility Sub Index 1.48
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) 0.38 1.117 0.42
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.25
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 0.41 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 6.93

* Based on an €80/tonne carbon price