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 15.33
Milk (kg) -303.00 -0.014 4.24
Fat (kg) -15.78 -0.375 5.91
Prot (kg) -11.73 -0.441 5.18
Fertility Sub Index 4.34
Calving Interval (days) -2.55 -1.459 3.72
Survival (%) 0.55 1.117 0.61
Calving Sub Index 0.01
Gestation Length (days) -0.01 -0.919 0.01
Beef Sub Index 2.29
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 0.20 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 23.28

* Based on an €80/tonne carbon price