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 3.77
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -2.81 -0.375 1.05
Prot (kg) -2.64 -0.441 1.17
Fertility Sub Index 6.33
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 1.97 1.117 2.20
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.32
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.41 -0.432 -1.47
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 18.80

* Based on an €80/tonne carbon price