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 -2.30
Milk (kg) 28.00 -0.014 -0.39
Fat (kg) 1.62 -0.375 -0.61
Prot (kg) 2.95 -0.441 -1.30
Fertility Sub Index -5.97
Calving Interval (days) 3.50 -1.459 -5.11
Survival (%) -0.77 1.117 -0.86
Calving Sub Index 1.80
Gestation Length (days) -1.96 -0.919 1.80
Beef Sub Index -0.20
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 4.38 -0.432 -1.89
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index -4.25

* Based on an €80/tonne carbon price