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 10.79
Milk (kg) -264.00 -0.014 3.70
Fat (kg) -9.88 -0.375 3.70
Prot (kg) -7.68 -0.441 3.39
Fertility Sub Index 3.79
Calving Interval (days) -2.01 -1.459 2.93
Survival (%) 0.77 1.117 0.86
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.62
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 24.12

* Based on an €80/tonne carbon price