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 14.58
Milk (kg) -268.00 -0.014 3.75
Fat (kg) -15.73 -0.375 5.89
Prot (kg) -11.18 -0.441 4.93
Fertility Sub Index 1.16
Calving Interval (days) -0.94 -1.459 1.37
Survival (%) -0.19 1.117 -0.21
Calving Sub Index 1.09
Gestation Length (days) -1.19 -0.919 1.09
Beef Sub Index 1.71
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 2.75 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 21.24

* Based on an €80/tonne carbon price