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 -2.77
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) 5.91 -0.375 -2.21
Prot (kg) 0.46 -0.441 -0.20
Fertility Sub Index -1.76
Calving Interval (days) 0.31 -1.459 -0.45
Survival (%) -1.17 1.117 -1.31
Calving Sub Index -1.25
Gestation Length (days) 1.36 -0.919 -1.25
Beef Sub Index -5.59
Carcass Weight (kg) 7.30 -0.528 -3.85
Age of Slaughter (days) 4.03 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index -2.05
Live WT (kg) 6.70 -0.307 -2.05
Total Carbon Sub Index -13.42

* Based on an €80/tonne carbon price