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 6.73
Milk (kg) -201.00 -0.014 2.81
Fat (kg) -4.81 -0.375 1.80
Prot (kg) -4.79 -0.441 2.11
Fertility Sub Index 2.33
Calving Interval (days) -0.78 -1.459 1.14
Survival (%) 1.07 1.117 1.20
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.49
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 21.59

* Based on an €80/tonne carbon price