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 3.22
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -2.14 -0.375 0.80
Prot (kg) -4.24 -0.441 1.87
Fertility Sub Index 1.86
Calving Interval (days) -1.33 -1.459 1.94
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index 1.07
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 7.27

* Based on an €80/tonne carbon price