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 -1.62
Milk (kg) -79.00 -0.014 1.11
Fat (kg) 4.73 -0.375 -1.77
Prot (kg) 2.16 -0.441 -0.95
Fertility Sub Index -3.09
Calving Interval (days) 1.63 -1.459 -2.38
Survival (%) -0.64 1.117 -0.72
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index 0.11
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.04 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index -4.97

* Based on an €80/tonne carbon price