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 4.82
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -8.26 -0.375 3.09
Prot (kg) -0.70 -0.441 0.31
Fertility Sub Index 7.11
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 2.07 1.117 2.31
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.13
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.02 -0.432 0.44
Maintenance Sub Index Maint. Sub Index 5.73
Live WT (kg) -18.70 -0.307 5.73
Total Carbon Sub Index 23.59

* Based on an €80/tonne carbon price