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 4.34
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -2.84 -0.375 1.06
Prot (kg) -3.05 -0.441 1.35
Fertility Sub Index 3.20
Calving Interval (days) -3.06 -1.459 4.46
Survival (%) -1.13 1.117 -1.26
Calving Sub Index -0.90
Gestation Length (days) 0.98 -0.919 -0.90
Beef Sub Index -2.97
Carcass Weight (kg) 2.20 -0.528 -1.16
Age of Slaughter (days) 4.18 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 6.03

* Based on an €80/tonne carbon price