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 7.23
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -7.16 -0.375 2.68
Prot (kg) -5.39 -0.441 2.38
Fertility Sub Index 6.71
Calving Interval (days) -2.93 -1.459 4.27
Survival (%) 2.18 1.117 2.44
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.85
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 2.44 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 23.53

* Based on an €80/tonne carbon price