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 3.82
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -4.68 -0.375 1.75
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index 9.48
Calving Interval (days) -4.21 -1.459 6.14
Survival (%) 2.99 1.117 3.34
Calving Sub Index -0.45
Gestation Length (days) 0.49 -0.919 -0.45
Beef Sub Index 1.13
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 17.25

* Based on an €80/tonne carbon price