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 4.98
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -6.29 -0.375 2.36
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index 6.97
Calving Interval (days) -3.35 -1.459 4.89
Survival (%) 1.86 1.117 2.08
Calving Sub Index 3.34
Gestation Length (days) -3.63 -0.919 3.34
Beef Sub Index 0.82
Carcass Weight (kg) -2.18 -0.528 1.15
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.71 -0.307 4.51
Total Carbon Sub Index 20.60

* Based on an €80/tonne carbon price