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 0.73
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -1.06 -0.375 0.40
Prot (kg) -0.67 -0.441 0.30
Fertility Sub Index 0.44
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) -0.02 1.117 -0.02
Calving Sub Index -1.33
Gestation Length (days) 1.45 -0.919 -1.33
Beef Sub Index -4.88
Carcass Weight (kg) 4.50 -0.528 -2.37
Age of Slaughter (days) 5.80 -0.432 -2.50
Maintenance Sub Index Maint. Sub Index -2.36
Live WT (kg) 7.70 -0.307 -2.36
Total Carbon Sub Index -7.39

* Based on an €80/tonne carbon price