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 2.26
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -1.75 -0.375 0.66
Prot (kg) -1.26 -0.441 0.56
Fertility Sub Index -0.18
Calving Interval (days) 0.67 -1.459 -0.98
Survival (%) 0.71 1.117 0.79
Calving Sub Index -1.24
Gestation Length (days) 1.35 -0.919 -1.24
Beef Sub Index -0.30
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 4.12 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 5.10

* Based on an €80/tonne carbon price