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 2.99
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) -4.48 -0.375 1.68
Prot (kg) -3.25 -0.441 1.43
Fertility Sub Index 5.39
Calving Interval (days) -3.38 -1.459 4.93
Survival (%) 0.41 1.117 0.46
Calving Sub Index -0.17
Gestation Length (days) 0.19 -0.919 -0.17
Beef Sub Index 1.13
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 12.42

* Based on an €80/tonne carbon price