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 9.68
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -10.49 -0.375 3.93
Prot (kg) -8.24 -0.441 3.64
Fertility Sub Index 2.22
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) 1.05 1.117 1.17
Calving Sub Index -0.85
Gestation Length (days) 0.93 -0.919 -0.85
Beef Sub Index -2.44
Carcass Weight (kg) 4.00 -0.528 -2.11
Age of Slaughter (days) 0.76 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 10.27

* Based on an €80/tonne carbon price