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 6.54
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -6.17 -0.375 2.31
Prot (kg) -5.59 -0.441 2.47
Fertility Sub Index 6.86
Calving Interval (days) -3.33 -1.459 4.86
Survival (%) 1.79 1.117 2.00
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.28
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.66 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 21.60

* Based on an €80/tonne carbon price