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 1.11
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -1.10 -0.375 0.41
Prot (kg) 0.36 -0.441 -0.16
Fertility Sub Index 3.37
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 0.51 1.117 0.57
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.21
Carcass Weight (kg) 3.60 -0.528 -1.90
Age of Slaughter (days) -1.59 -0.432 0.69
Maintenance Sub Index Maint. Sub Index -4.60
Live WT (kg) 15.00 -0.307 -4.60
Total Carbon Sub Index -1.81

* Based on an €80/tonne carbon price