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 0.81
Milk (kg) -182.00 -0.014 2.55
Fat (kg) 6.80 -0.375 -2.55
Prot (kg) -1.84 -0.441 0.81
Fertility Sub Index 2.51
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) 0.56 1.117 0.63
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index -0.26
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 3.35

* Based on an €80/tonne carbon price