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 13.56
Milk (kg) -551.00 -0.014 7.71
Fat (kg) 2.06 -0.375 -0.77
Prot (kg) -15.00 -0.441 6.62
Fertility Sub Index 3.46
Calving Interval (days) -1.80 -1.459 2.63
Survival (%) 0.75 1.117 0.84
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.16
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.33 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 17.50

* Based on an €80/tonne carbon price