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 0.62
Milk (kg) -36.00 -0.014 0.50
Fat (kg) 0.36 -0.375 -0.13
Prot (kg) -0.57 -0.441 0.25
Fertility Sub Index 3.64
Calving Interval (days) -1.87 -1.459 2.73
Survival (%) 0.82 1.117 0.92
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.97
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.45 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 14.46

* Based on an €80/tonne carbon price