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 1.75
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -0.83 -0.375 0.31
Prot (kg) -1.58 -0.441 0.70
Fertility Sub Index 3.67
Calving Interval (days) -2.26 -1.459 3.30
Survival (%) 0.33 1.117 0.37
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.80
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -2.82 -0.432 1.22
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 17.44

* Based on an €80/tonne carbon price