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 9.63
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -9.68 -0.375 3.63
Prot (kg) -8.91 -0.441 3.93
Fertility Sub Index 15.20
Calving Interval (days) -7.45 -1.459 10.87
Survival (%) 3.88 1.117 4.33
Calving Sub Index -3.92
Gestation Length (days) 4.27 -0.919 -3.92
Beef Sub Index 2.44
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -1.49 -0.432 0.64
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 27.39

* Based on an €80/tonne carbon price