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 3.21
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -1.38 -0.375 0.52
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index 7.45
Calving Interval (days) -4.46 -1.459 6.51
Survival (%) 0.84 1.117 0.94
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.94
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.61 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 20.55

* Based on an €80/tonne carbon price