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 9.20
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -7.83 -0.375 2.93
Prot (kg) -8.23 -0.441 3.63
Fertility Sub Index 0.58
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) 0.19 1.117 0.21
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.69
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 8.86

* Based on an €80/tonne carbon price