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 1.41
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -0.78 -0.375 0.29
Prot (kg) -1.10 -0.441 0.49
Fertility Sub Index 6.11
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 1.77 1.117 1.98
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.47
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.45 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 15.74

* Based on an €80/tonne carbon price