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 6.39
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -6.47 -0.375 2.42
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index 6.08
Calving Interval (days) -2.89 -1.459 4.22
Survival (%) 1.67 1.117 1.87
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.07
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.07 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 20.84

* Based on an €80/tonne carbon price