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 5.41
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -6.04 -0.375 2.26
Prot (kg) -2.63 -0.441 1.16
Fertility Sub Index 6.74
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 2.39 1.117 2.67
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.80
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 21.92

* Based on an €80/tonne carbon price