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 3.24
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -0.43 -0.375 0.16
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index 7.97
Calving Interval (days) -3.83 -1.459 5.59
Survival (%) 2.13 1.117 2.38
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.53
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.24 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 20.65

* Based on an €80/tonne carbon price