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 1.18
Milk (kg) -109.00 -0.014 1.53
Fat (kg) 2.58 -0.375 -0.97
Prot (kg) -1.41 -0.441 0.62
Fertility Sub Index 1.05
Calving Interval (days) -0.50 -1.459 0.73
Survival (%) 0.29 1.117 0.32
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.69
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 5.58

* Based on an €80/tonne carbon price