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 7.60
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -7.29 -0.375 2.73
Prot (kg) -5.32 -0.441 2.35
Fertility Sub Index 6.15
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.72 1.117 1.92
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.32
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.92 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 22.51

* Based on an €80/tonne carbon price