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 3.54
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -1.03 -0.375 0.39
Prot (kg) -4.30 -0.441 1.90
Fertility Sub Index 5.79
Calving Interval (days) -3.79 -1.459 5.53
Survival (%) 0.23 1.117 0.26
Calving Sub Index 1.22
Gestation Length (days) -1.33 -0.919 1.22
Beef Sub Index 1.02
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.45 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 14.49

* Based on an €80/tonne carbon price