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 -2.36
Milk (kg) 70.00 -0.014 -0.98
Fat (kg) 6.56 -0.375 -2.46
Prot (kg) -2.45 -0.441 1.08
Fertility Sub Index -0.88
Calving Interval (days) 0.45 -1.459 -0.66
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index 0.04
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 0.37
Live WT (kg) -1.20 -0.307 0.37
Total Carbon Sub Index -3.24

* Based on an €80/tonne carbon price