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 10.07
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -14.08 -0.375 5.27
Prot (kg) -7.91 -0.441 3.49
Fertility Sub Index 5.05
Calving Interval (days) -3.28 -1.459 4.79
Survival (%) 0.24 1.117 0.27
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 1.08
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.93 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 20.68

* Based on an €80/tonne carbon price