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 2.90
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -1.01 -0.375 0.38
Prot (kg) -2.44 -0.441 1.08
Fertility Sub Index 7.77
Calving Interval (days) -3.62 -1.459 5.28
Survival (%) 2.23 1.117 2.49
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.92
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -0.05 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 5.52
Live WT (kg) -18.00 -0.307 5.52
Total Carbon Sub Index 21.91

* Based on an €80/tonne carbon price