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 5.40
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -6.88 -0.375 2.58
Prot (kg) -4.66 -0.441 2.06
Fertility Sub Index 2.11
Calving Interval (days) -1.87 -1.459 2.73
Survival (%) -0.55 1.117 -0.61
Calving Sub Index -0.81
Gestation Length (days) 0.88 -0.919 -0.81
Beef Sub Index 1.54
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.46 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 11.07

* Based on an €80/tonne carbon price