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 8.95
Milk (kg) -206.00 -0.014 2.88
Fat (kg) -8.56 -0.375 3.21
Prot (kg) -6.48 -0.441 2.86
Fertility Sub Index 2.77
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) 1.19 1.117 1.33
Calving Sub Index -1.36
Gestation Length (days) 1.48 -0.919 -1.36
Beef Sub Index -3.01
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 5.26 -0.432 -2.27
Maintenance Sub Index Maint. Sub Index -1.78
Live WT (kg) 5.80 -0.307 -1.78
Total Carbon Sub Index 5.58

* Based on an €80/tonne carbon price