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 4.35
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -1.54 -0.375 0.58
Prot (kg) -3.77 -0.441 1.66
Fertility Sub Index 5.01
Calving Interval (days) -2.42 -1.459 3.53
Survival (%) 1.32 1.117 1.47
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.90
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -3.06 -0.432 1.32
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 22.72

* Based on an €80/tonne carbon price