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 4.79
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -8.42 -0.375 3.15
Prot (kg) -0.86 -0.441 0.38
Fertility Sub Index 6.01
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) 2.15 1.117 2.40
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.14
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.27 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 18.78

* Based on an €80/tonne carbon price