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 2.37
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -1.93 -0.375 0.72
Prot (kg) -1.39 -0.441 0.61
Fertility Sub Index -0.38
Calving Interval (days) 1.21 -1.459 -1.77
Survival (%) 1.24 1.117 1.39
Calving Sub Index -0.52
Gestation Length (days) 0.57 -0.919 -0.52
Beef Sub Index -1.99
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 7.42 -0.432 -3.20
Maintenance Sub Index Maint. Sub Index 5.61
Live WT (kg) -18.30 -0.307 5.61
Total Carbon Sub Index 5.09

* Based on an €80/tonne carbon price