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 7.77
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -7.02 -0.375 2.63
Prot (kg) -6.23 -0.441 2.75
Fertility Sub Index 5.85
Calving Interval (days) -2.82 -1.459 4.11
Survival (%) 1.55 1.117 1.73
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.78
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 21.58

* Based on an €80/tonne carbon price