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 7.70
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -9.01 -0.375 3.37
Prot (kg) -5.75 -0.441 2.54
Fertility Sub Index 5.29
Calving Interval (days) -3.70 -1.459 5.40
Survival (%) -0.10 1.117 -0.11
Calving Sub Index 1.00
Gestation Length (days) -1.09 -0.919 1.00
Beef Sub Index 2.70
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) -0.52 -0.432 0.22
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 17.52

* Based on an €80/tonne carbon price