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 23.23
Milk (kg) -458.00 -0.014 6.41
Fat (kg) -20.65 -0.375 7.73
Prot (kg) -20.59 -0.441 9.09
Fertility Sub Index 7.13
Calving Interval (days) -4.21 -1.459 6.14
Survival (%) 0.88 1.117 0.98
Calving Sub Index -0.71
Gestation Length (days) 0.77 -0.919 -0.71
Beef Sub Index 0.53
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 3.90 -0.432 -1.68
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 36.58

* Based on an €80/tonne carbon price