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 15.84
Milk (kg) -353.00 -0.014 4.94
Fat (kg) -15.71 -0.375 5.88
Prot (kg) -11.36 -0.441 5.01
Fertility Sub Index 8.08
Calving Interval (days) -5.11 -1.459 7.46
Survival (%) 0.56 1.117 0.63
Calving Sub Index 1.54
Gestation Length (days) -1.68 -0.919 1.54
Beef Sub Index -0.23
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index 24.07

* Based on an €80/tonne carbon price