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 3.62
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -1.94 -0.375 0.73
Prot (kg) -2.34 -0.441 1.03
Fertility Sub Index 8.19
Calving Interval (days) -3.99 -1.459 5.82
Survival (%) 2.12 1.117 2.37
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.00
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 5.24
Live WT (kg) -17.10 -0.307 5.24
Total Carbon Sub Index 21.86

* Based on an €80/tonne carbon price