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 7.93
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -8.43 -0.375 3.16
Prot (kg) -6.38 -0.441 2.82
Fertility Sub Index 8.19
Calving Interval (days) -4.80 -1.459 7.00
Survival (%) 1.06 1.117 1.18
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 0.03
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 19.65

* Based on an €80/tonne carbon price