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 -3.78
Milk (kg) 82.00 -0.014 -1.15
Fat (kg) 2.59 -0.375 -0.97
Prot (kg) 3.77 -0.441 -1.66
Fertility Sub Index -6.89
Calving Interval (days) 4.24 -1.459 -6.19
Survival (%) -0.63 1.117 -0.70
Calving Sub Index 1.88
Gestation Length (days) -2.04 -0.919 1.88
Beef Sub Index 0.12
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 4.98 -0.432 -2.15
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index -4.60

* Based on an €80/tonne carbon price