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 10.51
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -14.53 -0.375 5.44
Prot (kg) -8.11 -0.441 3.58
Fertility Sub Index 8.78
Calving Interval (days) -4.80 -1.459 7.00
Survival (%) 1.59 1.117 1.78
Calving Sub Index 0.99
Gestation Length (days) -1.08 -0.919 0.99
Beef Sub Index -0.41
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 21.59

* Based on an €80/tonne carbon price