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 4.26
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -2.74 -0.375 1.03
Prot (kg) -4.86 -0.441 2.15
Fertility Sub Index 3.45
Calving Interval (days) -1.88 -1.459 2.74
Survival (%) 0.63 1.117 0.70
Calving Sub Index -0.13
Gestation Length (days) 0.14 -0.919 -0.13
Beef Sub Index 0.95
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 10.34

* Based on an €80/tonne carbon price