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 3.05
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -4.72 -0.375 1.77
Prot (kg) -0.65 -0.441 0.29
Fertility Sub Index 6.22
Calving Interval (days) -3.20 -1.459 4.67
Survival (%) 1.39 1.117 1.55
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.90
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.98 -0.432 0.42
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 21.23

* Based on an €80/tonne carbon price