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 2.28
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -2.51 -0.375 0.94
Prot (kg) -0.59 -0.441 0.26
Fertility Sub Index 1.24
Calving Interval (days) -0.48 -1.459 0.70
Survival (%) 0.48 1.117 0.54
Calving Sub Index 1.59
Gestation Length (days) -1.73 -0.919 1.59
Beef Sub Index 2.89
Carcass Weight (kg) -7.60 -0.528 4.01
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 10.51

* Based on an €80/tonne carbon price