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 1.28
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -0.52 -0.375 0.19
Prot (kg) -0.74 -0.441 0.33
Fertility Sub Index 3.47
Calving Interval (days) -1.52 -1.459 2.22
Survival (%) 1.12 1.117 1.25
Calving Sub Index -1.19
Gestation Length (days) 1.29 -0.919 -1.19
Beef Sub Index -3.10
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 3.76 -0.432 -1.62
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 2.46

* Based on an €80/tonne carbon price