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 2.54
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -0.62 -0.375 0.23
Prot (kg) -2.31 -0.441 1.02
Fertility Sub Index 4.96
Calving Interval (days) -2.93 -1.459 4.27
Survival (%) 0.61 1.117 0.68
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index 0.79
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 10.96

* Based on an €80/tonne carbon price