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 -1.10
Milk (kg) -56.00 -0.014 0.78
Fat (kg) 4.44 -0.375 -1.66
Prot (kg) 0.50 -0.441 -0.22
Fertility Sub Index -0.26
Calving Interval (days) 0.38 -1.459 -0.55
Survival (%) 0.26 1.117 0.29
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 0.20
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index -0.59

* Based on an €80/tonne carbon price