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 7.22
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -8.53 -0.375 3.19
Prot (kg) -6.71 -0.441 2.96
Fertility Sub Index 6.30
Calving Interval (days) -3.69 -1.459 5.38
Survival (%) 0.82 1.117 0.92
Calving Sub Index 0.88
Gestation Length (days) -0.96 -0.919 0.88
Beef Sub Index -0.40
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 2.64 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 16.54

* Based on an €80/tonne carbon price