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 7.49
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -6.92 -0.375 2.59
Prot (kg) -6.33 -0.441 2.79
Fertility Sub Index 3.22
Calving Interval (days) -1.73 -1.459 2.52
Survival (%) 0.62 1.117 0.69
Calving Sub Index 0.43
Gestation Length (days) -0.47 -0.919 0.43
Beef Sub Index 2.51
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.02 -0.432 0.87
Maintenance Sub Index Maint. Sub Index 6.93
Live WT (kg) -22.60 -0.307 6.93
Total Carbon Sub Index 20.57

* Based on an €80/tonne carbon price