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 3.63
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -3.24 -0.375 1.21
Prot (kg) -2.28 -0.441 1.01
Fertility Sub Index 4.22
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 1.27 1.117 1.42
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.39
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 15.42

* Based on an €80/tonne carbon price