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 6.65
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -7.02 -0.375 2.63
Prot (kg) -3.85 -0.441 1.70
Fertility Sub Index 7.68
Calving Interval (days) -3.81 -1.459 5.56
Survival (%) 1.90 1.117 2.12
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.36
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.20 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 23.10

* Based on an €80/tonne carbon price