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 -8.33
Milk (kg) 304.00 -0.014 -4.26
Fat (kg) 7.27 -0.375 -2.72
Prot (kg) 3.06 -0.441 -1.35
Fertility Sub Index -4.49
Calving Interval (days) 2.80 -1.459 -4.09
Survival (%) -0.36 1.117 -0.40
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index 0.69
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 2.56 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index -8.45

* Based on an €80/tonne carbon price