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 4.76
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -5.07 -0.375 1.90
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index 2.71
Calving Interval (days) -1.45 -1.459 2.12
Survival (%) 0.53 1.117 0.59
Calving Sub Index -1.08
Gestation Length (days) 1.17 -0.919 -1.08
Beef Sub Index 5.36
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) -4.10 -0.432 1.77
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 18.01

* Based on an €80/tonne carbon price