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 -1.85
Milk (kg) 16.00 -0.014 -0.22
Fat (kg) 2.14 -0.375 -0.80
Prot (kg) 1.86 -0.441 -0.82
Fertility Sub Index 5.07
Calving Interval (days) -2.53 -1.459 3.69
Survival (%) 1.23 1.117 1.37
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.06
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.68 -0.432 -1.59
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 13.25

* Based on an €80/tonne carbon price