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 6.53
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -5.00 -0.375 1.87
Prot (kg) -4.97 -0.441 2.19
Fertility Sub Index 6.04
Calving Interval (days) -2.45 -1.459 3.57
Survival (%) 2.21 1.117 2.47
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.98
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 23.45

* Based on an €80/tonne carbon price