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 4.70
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -4.66 -0.375 1.75
Prot (kg) -4.04 -0.441 1.78
Fertility Sub Index 8.58
Calving Interval (days) -4.66 -1.459 6.80
Survival (%) 1.59 1.117 1.78
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.20
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.30 -0.432 0.56
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 17.10

* Based on an €80/tonne carbon price