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 8.69
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -5.86 -0.375 2.19
Prot (kg) -11.26 -0.441 4.97
Fertility Sub Index 8.69
Calving Interval (days) -5.71 -1.459 8.33
Survival (%) 0.32 1.117 0.36
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index 1.48
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -0.98 -0.432 0.42
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 22.16

* Based on an €80/tonne carbon price