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 1.69
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -2.59 -0.375 0.97
Prot (kg) 0.43 -0.441 -0.19
Fertility Sub Index 8.66
Calving Interval (days) -4.21 -1.459 6.14
Survival (%) 2.25 1.117 2.51
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.81
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 7.54
Live WT (kg) -24.60 -0.307 7.54
Total Carbon Sub Index 23.49

* Based on an €80/tonne carbon price