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 4.44
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -2.96 -0.375 1.11
Prot (kg) -3.71 -0.441 1.64
Fertility Sub Index 6.30
Calving Interval (days) -3.68 -1.459 5.37
Survival (%) 0.83 1.117 0.93
Calving Sub Index 0.98
Gestation Length (days) -1.07 -0.919 0.98
Beef Sub Index 0.34
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.66 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 15.16

* Based on an €80/tonne carbon price