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 5.67
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -0.28 -0.375 0.10
Prot (kg) -7.37 -0.441 3.25
Fertility Sub Index 8.77
Calving Interval (days) -4.80 -1.459 7.00
Survival (%) 1.58 1.117 1.77
Calving Sub Index 2.44
Gestation Length (days) -2.65 -0.919 2.44
Beef Sub Index 3.54
Carcass Weight (kg) -8.70 -0.528 4.59
Age of Slaughter (days) 2.43 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 23.30

* Based on an €80/tonne carbon price