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 3.92
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -3.36 -0.375 1.26
Prot (kg) -3.25 -0.441 1.43
Fertility Sub Index 5.54
Calving Interval (days) -2.82 -1.459 4.11
Survival (%) 1.28 1.117 1.43
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.77
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -0.80 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 20.47

* Based on an €80/tonne carbon price